1221397520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:123

約数の個数: 360

約数和(自身を含む): 3752259840

約数和(自身を除く): 2530862320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 31, 35, 38, 40, 46, 49, 56, 62, 70, 76, 80, 92, 95, 98, 112, 115, 124, 133, 140, 152, 155, 161, 184, 190, 196, 217, 230, 245, 248, 266, 280, 304, 310, 322, 368, 380, 392, 434, 437, 460, 490, 496, 529, 532, 560, 589, 620, 644, 665, 713, 760, 784, 805, 868, 874, 920, 931, 980, 1058, 1064, 1085, 1127, 1178, 1240, 1288, 1330, 1426, 1519, 1520, 1610, 1736, 1748, 1840, 1862, 1960, 2116, 2128, 2170, 2185, 2254, 2356, 2480, 2576, 2645, 2660, 2852, 2945, 3038, 3059, 3220, 3472, 3496, 3565, 3703, 3724, 3920, 4123, 4232, 4340, 4370, 4508, 4655, 4712, 4991, 5290, 5320, 5635, 5704, 5890, 6076, 6118, 6440, 6992, 7130, 7406, 7448, 7595, 8246, 8464, 8680, 8740, 9016, 9310, 9424, 9982, 10051, 10580, 10640, 11270, 11408, 11780, 12152, 12236, 12880, 13547, 14260, 14812, 14896, 15190, 15295, 16399, 16492, 17360, 17480, 18032, 18515, 18620, 19964, 20102, 20615, 21160, 21413, 22540, 23560, 24304, 24472, 24955, 25921, 27094, 28520, 28861, 29624, 30380, 30590, 32798, 32984, 34937, 34960, 37030, 37240, 39928, 40204, 41230, 42320, 42826, 45080, 47120, 48944, 49910, 50255, 51842, 54188, 57040, 57722, 59248, 60760, 61180, 65596, 65968, 67735, 69874, 70357, 74060, 74480, 79856, 80408, 81995, 82460, 85652, 90160, 94829, 99820, 100510, 103684, 107065, 108376, 114793, 115444, 121520, 122360, 129605, 131192, 135470, 139748, 140714, 144305, 148120, 160816, 163990, 164920, 171304, 174685, 189658, 199640, 201020, 207368, 214130, 216752, 229586, 230888, 244720, 259210, 262384, 270940, 279496, 281428, 288610, 296240, 311581, 327980, 329840, 342608, 349370, 351785, 379316, 399280, 402040, 414736, 428260, 459172, 461776, 474145, 492499, 518420, 541880, 558992, 562856, 573965, 577220, 623162, 655960, 663803, 698740, 703570, 758632, 803551, 804080, 856520, 918344, 948290, 984998, 1036840, 1083760, 1125712, 1147930, 1154440, 1246324, 1311920, 1327606, 1397480, 1407140, 1517264, 1557905, 1607102, 1713040, 1836688, 1896580, 1969996, 2073680, 2181067, 2295860, 2308880, 2462495, 2492648, 2655212, 2794960, 2814280, 3115810, 3214204, 3319015, 3793160, 3939992, 4017755, 4362134, 4591720, 4924990, 4985296, 5310424, 5628560, 6231620, 6428408, 6638030, 7586320, 7879984, 8035510, 8724268, 9183440, 9849980, 10620848, 10905335, 12463240, 12856816, 13276060, 15267469, 16071020, 17448536, 19699960, 21810670, 24926480, 26552120, 30534938, 32142040, 34897072, 39399920, 43621340, 53104240, 61069876, 64284080, 76337345, 87242680, 122139752, 152674690, 174485360, 244279504, 305349380, 610698760, 1221397520]

約数ペア:

[(1, 1221397520), (2, 610698760), (4, 305349380), (5, 244279504), (7, 174485360), (8, 152674690), (10, 122139752), (14, 87242680), (16, 76337345), (19, 64284080), (20, 61069876), (23, 53104240), (28, 43621340), (31, 39399920), (35, 34897072), (38, 32142040), (40, 30534938), (46, 26552120), (49, 24926480), (56, 21810670), (62, 19699960), (70, 17448536), (76, 16071020), (80, 15267469), (92, 13276060), (95, 12856816), (98, 12463240), (112, 10905335), (115, 10620848), (124, 9849980), (133, 9183440), (140, 8724268), (152, 8035510), (155, 7879984), (161, 7586320), (184, 6638030), (190, 6428408), (196, 6231620), (217, 5628560), (230, 5310424), (245, 4985296), (248, 4924990), (266, 4591720), (280, 4362134), (304, 4017755), (310, 3939992), (322, 3793160), (368, 3319015), (380, 3214204), (392, 3115810), (434, 2814280), (437, 2794960), (460, 2655212), (490, 2492648), (496, 2462495), (529, 2308880), (532, 2295860), (560, 2181067), (589, 2073680), (620, 1969996), (644, 1896580), (665, 1836688), (713, 1713040), (760, 1607102), (784, 1557905), (805, 1517264), (868, 1407140), (874, 1397480), (920, 1327606), (931, 1311920), (980, 1246324), (1058, 1154440), (1064, 1147930), (1085, 1125712), (1127, 1083760), (1178, 1036840), (1240, 984998), (1288, 948290), (1330, 918344), (1426, 856520), (1519, 804080), (1520, 803551), (1610, 758632), (1736, 703570), (1748, 698740), (1840, 663803), (1862, 655960), (1960, 623162), (2116, 577220), (2128, 573965), (2170, 562856), (2185, 558992), (2254, 541880), (2356, 518420), (2480, 492499), (2576, 474145), (2645, 461776), (2660, 459172), (2852, 428260), (2945, 414736), (3038, 402040), (3059, 399280), (3220, 379316), (3472, 351785), (3496, 349370), (3565, 342608), (3703, 329840), (3724, 327980), (3920, 311581), (4123, 296240), (4232, 288610), (4340, 281428), (4370, 279496), (4508, 270940), (4655, 262384), (4712, 259210), (4991, 244720), (5290, 230888), (5320, 229586), (5635, 216752), (5704, 214130), (5890, 207368), (6076, 201020), (6118, 199640), (6440, 189658), (6992, 174685), (7130, 171304), (7406, 164920), (7448, 163990), (7595, 160816), (8246, 148120), (8464, 144305), (8680, 140714), (8740, 139748), (9016, 135470), (9310, 131192), (9424, 129605), (9982, 122360), (10051, 121520), (10580, 115444), (10640, 114793), (11270, 108376), (11408, 107065), (11780, 103684), (12152, 100510), (12236, 99820), (12880, 94829), (13547, 90160), (14260, 85652), (14812, 82460), (14896, 81995), (15190, 80408), (15295, 79856), (16399, 74480), (16492, 74060), (17360, 70357), (17480, 69874), (18032, 67735), (18515, 65968), (18620, 65596), (19964, 61180), (20102, 60760), (20615, 59248), (21160, 57722), (21413, 57040), (22540, 54188), (23560, 51842), (24304, 50255), (24472, 49910), (24955, 48944), (25921, 47120), (27094, 45080), (28520, 42826), (28861, 42320), (29624, 41230), (30380, 40204), (30590, 39928), (32798, 37240), (32984, 37030), (34937, 34960)]