261328760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 384

約数和(自身を含む): 851005440

約数和(自身を除く): 589676680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 23, 28, 31, 34, 35, 40, 44, 46, 49, 55, 56, 62, 68, 70, 77, 85, 88, 92, 98, 110, 115, 119, 124, 136, 140, 154, 155, 161, 170, 184, 187, 196, 217, 220, 230, 238, 245, 248, 253, 280, 308, 310, 322, 340, 341, 374, 385, 391, 392, 434, 440, 460, 476, 490, 506, 527, 539, 595, 616, 620, 644, 680, 682, 713, 748, 770, 782, 805, 833, 868, 920, 935, 952, 980, 1012, 1054, 1078, 1085, 1127, 1190, 1240, 1265, 1288, 1309, 1364, 1426, 1496, 1519, 1540, 1564, 1610, 1666, 1705, 1736, 1771, 1870, 1955, 1960, 2024, 2108, 2156, 2170, 2254, 2380, 2387, 2530, 2618, 2635, 2695, 2728, 2737, 2852, 3038, 3080, 3128, 3220, 3332, 3410, 3542, 3565, 3689, 3740, 3910, 4165, 4216, 4301, 4312, 4340, 4508, 4760, 4774, 4991, 5060, 5236, 5270, 5390, 5474, 5635, 5704, 5797, 6076, 6440, 6545, 6664, 6820, 7084, 7130, 7378, 7480, 7595, 7820, 7843, 8330, 8602, 8680, 8855, 9016, 9163, 9548, 9982, 10120, 10472, 10540, 10780, 10948, 11270, 11594, 11935, 12121, 12152, 12397, 13090, 13640, 13685, 14168, 14260, 14756, 15190, 15640, 15686, 16660, 16709, 17204, 17710, 18326, 18445, 19096, 19159, 19964, 21080, 21505, 21560, 21896, 22540, 23188, 23870, 24242, 24794, 24955, 25823, 26180, 27370, 28520, 28985, 29512, 30107, 30380, 31372, 33320, 33418, 34408, 34937, 35420, 36652, 36890, 38318, 39215, 39928, 40579, 43010, 45080, 45815, 46376, 47740, 48484, 49588, 49910, 51646, 52360, 54740, 54901, 57970, 60214, 60605, 60760, 61985, 62744, 66836, 69874, 70840, 73304, 73780, 76636, 78430, 81158, 83545, 84847, 86020, 91630, 95480, 95795, 96968, 99176, 99820, 103292, 109480, 109802, 115940, 120428, 121210, 123970, 129115, 133331, 133672, 139748, 147560, 150535, 153272, 156860, 162316, 167090, 169694, 172040, 174685, 183260, 191590, 199640, 202895, 206584, 210749, 219604, 231880, 240856, 242420, 247940, 258230, 266662, 274505, 279496, 284053, 301070, 313720, 324632, 334180, 339388, 349370, 366520, 383180, 384307, 405790, 421498, 424235, 439208, 484840, 495880, 516460, 533324, 549010, 568106, 593929, 602140, 666655, 668360, 678776, 698740, 766360, 768614, 811580, 842996, 848470, 933317, 1032920, 1053745, 1066648, 1098020, 1136212, 1187858, 1204280, 1333310, 1397480, 1420265, 1537228, 1623160, 1685992, 1696940, 1866634, 1921535, 2107490, 2196040, 2272424, 2375716, 2666620, 2840530, 2969645, 3074456, 3393880, 3733268, 3843070, 4214980, 4666585, 4751432, 5333240, 5681060, 5939290, 6533219, 7466536, 7686140, 8429960, 9333170, 11362120, 11878580, 13066438, 15372280, 18666340, 23757160, 26132876, 32666095, 37332680, 52265752, 65332190, 130664380, 261328760]

約数ペア:

[(1, 261328760), (2, 130664380), (4, 65332190), (5, 52265752), (7, 37332680), (8, 32666095), (10, 26132876), (11, 23757160), (14, 18666340), (17, 15372280), (20, 13066438), (22, 11878580), (23, 11362120), (28, 9333170), (31, 8429960), (34, 7686140), (35, 7466536), (40, 6533219), (44, 5939290), (46, 5681060), (49, 5333240), (55, 4751432), (56, 4666585), (62, 4214980), (68, 3843070), (70, 3733268), (77, 3393880), (85, 3074456), (88, 2969645), (92, 2840530), (98, 2666620), (110, 2375716), (115, 2272424), (119, 2196040), (124, 2107490), (136, 1921535), (140, 1866634), (154, 1696940), (155, 1685992), (161, 1623160), (170, 1537228), (184, 1420265), (187, 1397480), (196, 1333310), (217, 1204280), (220, 1187858), (230, 1136212), (238, 1098020), (245, 1066648), (248, 1053745), (253, 1032920), (280, 933317), (308, 848470), (310, 842996), (322, 811580), (340, 768614), (341, 766360), (374, 698740), (385, 678776), (391, 668360), (392, 666655), (434, 602140), (440, 593929), (460, 568106), (476, 549010), (490, 533324), (506, 516460), (527, 495880), (539, 484840), (595, 439208), (616, 424235), (620, 421498), (644, 405790), (680, 384307), (682, 383180), (713, 366520), (748, 349370), (770, 339388), (782, 334180), (805, 324632), (833, 313720), (868, 301070), (920, 284053), (935, 279496), (952, 274505), (980, 266662), (1012, 258230), (1054, 247940), (1078, 242420), (1085, 240856), (1127, 231880), (1190, 219604), (1240, 210749), (1265, 206584), (1288, 202895), (1309, 199640), (1364, 191590), (1426, 183260), (1496, 174685), (1519, 172040), (1540, 169694), (1564, 167090), (1610, 162316), (1666, 156860), (1705, 153272), (1736, 150535), (1771, 147560), (1870, 139748), (1955, 133672), (1960, 133331), (2024, 129115), (2108, 123970), (2156, 121210), (2170, 120428), (2254, 115940), (2380, 109802), (2387, 109480), (2530, 103292), (2618, 99820), (2635, 99176), (2695, 96968), (2728, 95795), (2737, 95480), (2852, 91630), (3038, 86020), (3080, 84847), (3128, 83545), (3220, 81158), (3332, 78430), (3410, 76636), (3542, 73780), (3565, 73304), (3689, 70840), (3740, 69874), (3910, 66836), (4165, 62744), (4216, 61985), (4301, 60760), (4312, 60605), (4340, 60214), (4508, 57970), (4760, 54901), (4774, 54740), (4991, 52360), (5060, 51646), (5236, 49910), (5270, 49588), (5390, 48484), (5474, 47740), (5635, 46376), (5704, 45815), (5797, 45080), (6076, 43010), (6440, 40579), (6545, 39928), (6664, 39215), (6820, 38318), (7084, 36890), (7130, 36652), (7378, 35420), (7480, 34937), (7595, 34408), (7820, 33418), (7843, 33320), (8330, 31372), (8602, 30380), (8680, 30107), (8855, 29512), (9016, 28985), (9163, 28520), (9548, 27370), (9982, 26180), (10120, 25823), (10472, 24955), (10540, 24794), (10780, 24242), (10948, 23870), (11270, 23188), (11594, 22540), (11935, 21896), (12121, 21560), (12152, 21505), (12397, 21080), (13090, 19964), (13640, 19159), (13685, 19096), (14168, 18445), (14260, 18326), (14756, 17710), (15190, 17204), (15640, 16709), (15686, 16660)]