7971225920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{31}}^2$

素因数の和:139

約数の個数: 378

約数和(自身を含む): 23850868986

約数和(自身を除く): 15879643066

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 49, 56, 62, 64, 70, 80, 92, 98, 112, 115, 124, 140, 155, 160, 161, 184, 196, 217, 224, 230, 245, 248, 280, 310, 320, 322, 368, 392, 434, 448, 460, 490, 496, 529, 560, 620, 644, 713, 736, 784, 805, 868, 920, 961, 980, 992, 1058, 1085, 1120, 1127, 1240, 1288, 1426, 1472, 1519, 1568, 1610, 1736, 1840, 1922, 1960, 1984, 2116, 2170, 2240, 2254, 2480, 2576, 2645, 2852, 3038, 3136, 3220, 3472, 3565, 3680, 3703, 3844, 3920, 4232, 4340, 4508, 4805, 4960, 4991, 5152, 5290, 5635, 5704, 6076, 6440, 6727, 6944, 7130, 7360, 7406, 7595, 7688, 7840, 8464, 8680, 9016, 9610, 9920, 9982, 10304, 10580, 11270, 11408, 12152, 12880, 13454, 13888, 14260, 14812, 15190, 15376, 15680, 16399, 16928, 17360, 18032, 18515, 19220, 19964, 21160, 22103, 22540, 22816, 24304, 24955, 25760, 25921, 26908, 28520, 29624, 30380, 30752, 32798, 33635, 33856, 34720, 34937, 36064, 37030, 38440, 39928, 42320, 44206, 45080, 45632, 47089, 48608, 49910, 51520, 51842, 53816, 57040, 59248, 60760, 61504, 65596, 67270, 69440, 69874, 72128, 74060, 76880, 79856, 81995, 84640, 88412, 90160, 94178, 97216, 99820, 103684, 107632, 110515, 114080, 114793, 118496, 121520, 129605, 131192, 134540, 139748, 148120, 153760, 154721, 159712, 163990, 169280, 174685, 176824, 180320, 188356, 199640, 207368, 215264, 221030, 228160, 229586, 235445, 236992, 243040, 259210, 262384, 269080, 279496, 296240, 307520, 309442, 319424, 327980, 349370, 353648, 360640, 376712, 399280, 414736, 430528, 442060, 459172, 470890, 486080, 508369, 518420, 524768, 538160, 558992, 573965, 592480, 618884, 655960, 698740, 707296, 753424, 773605, 798560, 803551, 829472, 884120, 918344, 941780, 1016738, 1036840, 1049536, 1076320, 1083047, 1117984, 1147930, 1184960, 1237768, 1311920, 1397480, 1414592, 1506848, 1547210, 1597120, 1607102, 1658944, 1768240, 1836688, 1883560, 2033476, 2073680, 2152640, 2166094, 2235968, 2295860, 2475536, 2541845, 2623840, 2794960, 3013696, 3094420, 3214204, 3536480, 3558583, 3673376, 3767120, 4017755, 4066952, 4147360, 4332188, 4591720, 4951072, 5083690, 5247680, 5415235, 5589920, 6188840, 6428408, 7072960, 7117166, 7346752, 7534240, 8035510, 8133904, 8294720, 8664376, 9183440, 9902144, 10167380, 10830470, 11179840, 12377680, 12856816, 14234332, 15068480, 16071020, 16267808, 17328752, 17792915, 18366880, 20334760, 21660940, 24755360, 24910081, 25713632, 28468664, 32142040, 32535616, 34657504, 35585830, 36733760, 40669520, 43321880, 49510720, 49820162, 51427264, 56937328, 64284080, 69315008, 71171660, 81339040, 86643760, 99640324, 113874656, 124550405, 128568160, 142343320, 162678080, 173287520, 199280648, 227749312, 249100810, 257136320, 284686640, 346575040, 398561296, 498201620, 569373280, 797122592, 996403240, 1138746560, 1594245184, 1992806480, 3985612960, 7971225920]

約数ペア:

[(1, 7971225920), (2, 3985612960), (4, 1992806480), (5, 1594245184), (7, 1138746560), (8, 996403240), (10, 797122592), (14, 569373280), (16, 498201620), (20, 398561296), (23, 346575040), (28, 284686640), (31, 257136320), (32, 249100810), (35, 227749312), (40, 199280648), (46, 173287520), (49, 162678080), (56, 142343320), (62, 128568160), (64, 124550405), (70, 113874656), (80, 99640324), (92, 86643760), (98, 81339040), (112, 71171660), (115, 69315008), (124, 64284080), (140, 56937328), (155, 51427264), (160, 49820162), (161, 49510720), (184, 43321880), (196, 40669520), (217, 36733760), (224, 35585830), (230, 34657504), (245, 32535616), (248, 32142040), (280, 28468664), (310, 25713632), (320, 24910081), (322, 24755360), (368, 21660940), (392, 20334760), (434, 18366880), (448, 17792915), (460, 17328752), (490, 16267808), (496, 16071020), (529, 15068480), (560, 14234332), (620, 12856816), (644, 12377680), (713, 11179840), (736, 10830470), (784, 10167380), (805, 9902144), (868, 9183440), (920, 8664376), (961, 8294720), (980, 8133904), (992, 8035510), (1058, 7534240), (1085, 7346752), (1120, 7117166), (1127, 7072960), (1240, 6428408), (1288, 6188840), (1426, 5589920), (1472, 5415235), (1519, 5247680), (1568, 5083690), (1610, 4951072), (1736, 4591720), (1840, 4332188), (1922, 4147360), (1960, 4066952), (1984, 4017755), (2116, 3767120), (2170, 3673376), (2240, 3558583), (2254, 3536480), (2480, 3214204), (2576, 3094420), (2645, 3013696), (2852, 2794960), (3038, 2623840), (3136, 2541845), (3220, 2475536), (3472, 2295860), (3565, 2235968), (3680, 2166094), (3703, 2152640), (3844, 2073680), (3920, 2033476), (4232, 1883560), (4340, 1836688), (4508, 1768240), (4805, 1658944), (4960, 1607102), (4991, 1597120), (5152, 1547210), (5290, 1506848), (5635, 1414592), (5704, 1397480), (6076, 1311920), (6440, 1237768), (6727, 1184960), (6944, 1147930), (7130, 1117984), (7360, 1083047), (7406, 1076320), (7595, 1049536), (7688, 1036840), (7840, 1016738), (8464, 941780), (8680, 918344), (9016, 884120), (9610, 829472), (9920, 803551), (9982, 798560), (10304, 773605), (10580, 753424), (11270, 707296), (11408, 698740), (12152, 655960), (12880, 618884), (13454, 592480), (13888, 573965), (14260, 558992), (14812, 538160), (15190, 524768), (15376, 518420), (15680, 508369), (16399, 486080), (16928, 470890), (17360, 459172), (18032, 442060), (18515, 430528), (19220, 414736), (19964, 399280), (21160, 376712), (22103, 360640), (22540, 353648), (22816, 349370), (24304, 327980), (24955, 319424), (25760, 309442), (25921, 307520), (26908, 296240), (28520, 279496), (29624, 269080), (30380, 262384), (30752, 259210), (32798, 243040), (33635, 236992), (33856, 235445), (34720, 229586), (34937, 228160), (36064, 221030), (37030, 215264), (38440, 207368), (39928, 199640), (42320, 188356), (44206, 180320), (45080, 176824), (45632, 174685), (47089, 169280), (48608, 163990), (49910, 159712), (51520, 154721), (51842, 153760), (53816, 148120), (57040, 139748), (59248, 134540), (60760, 131192), (61504, 129605), (65596, 121520), (67270, 118496), (69440, 114793), (69874, 114080), (72128, 110515), (74060, 107632), (76880, 103684), (79856, 99820), (81995, 97216), (84640, 94178), (88412, 90160)]