639151380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 288

約数和(自身を含む): 2394572544

約数和(自身を除く): 1755421164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 53, 60, 63, 68, 70, 84, 85, 90, 102, 105, 106, 119, 126, 140, 153, 159, 170, 180, 204, 210, 212, 238, 252, 255, 265, 306, 315, 318, 340, 357, 371, 420, 476, 477, 510, 530, 563, 595, 612, 630, 636, 714, 742, 765, 795, 901, 954, 1020, 1060, 1071, 1113, 1126, 1190, 1260, 1428, 1484, 1530, 1590, 1689, 1785, 1802, 1855, 1908, 2142, 2226, 2252, 2380, 2385, 2703, 2815, 3060, 3180, 3339, 3378, 3570, 3604, 3710, 3941, 4284, 4452, 4505, 4770, 5067, 5355, 5406, 5565, 5630, 6307, 6678, 6756, 7140, 7420, 7882, 8109, 8445, 9010, 9540, 9571, 10134, 10710, 10812, 11130, 11260, 11823, 12614, 13356, 13515, 15764, 16218, 16695, 16890, 18020, 18921, 19142, 19705, 20268, 21420, 22260, 23646, 25228, 25335, 27030, 28713, 29839, 31535, 32436, 33390, 33780, 35469, 37842, 38284, 39410, 40545, 47292, 47855, 50670, 54060, 56763, 57426, 59115, 59678, 63070, 66780, 66997, 70938, 75684, 78820, 81090, 86139, 89517, 94605, 95710, 101340, 113526, 114852, 118230, 119356, 126140, 133994, 141876, 143565, 149195, 162180, 172278, 177345, 179034, 189210, 191420, 200991, 208873, 227052, 236460, 267988, 268551, 283815, 287130, 298390, 334985, 344556, 354690, 358068, 378420, 401982, 417746, 430695, 447585, 507263, 537102, 567630, 574260, 596780, 602973, 626619, 669970, 709380, 803964, 835492, 861390, 895170, 1004955, 1014526, 1044365, 1074204, 1135260, 1205946, 1253238, 1339940, 1342755, 1521789, 1722780, 1790340, 1879857, 2009910, 2029052, 2088730, 2411892, 2506476, 2536315, 2685510, 3014865, 3043578, 3133095, 3550841, 3759714, 4019820, 4177460, 4565367, 5072630, 5371020, 6029730, 6087156, 6266190, 7101682, 7519428, 7608945, 9130734, 9399285, 10145260, 10652523, 12059460, 12532380, 14203364, 15217890, 17754205, 18261468, 18798570, 21305046, 22826835, 30435780, 31957569, 35508410, 37597140, 42610092, 45653670, 53262615, 63915138, 71016820, 91307340, 106525230, 127830276, 159787845, 213050460, 319575690, 639151380]

約数ペア:

[(1, 639151380), (2, 319575690), (3, 213050460), (4, 159787845), (5, 127830276), (6, 106525230), (7, 91307340), (9, 71016820), (10, 63915138), (12, 53262615), (14, 45653670), (15, 42610092), (17, 37597140), (18, 35508410), (20, 31957569), (21, 30435780), (28, 22826835), (30, 21305046), (34, 18798570), (35, 18261468), (36, 17754205), (42, 15217890), (45, 14203364), (51, 12532380), (53, 12059460), (60, 10652523), (63, 10145260), (68, 9399285), (70, 9130734), (84, 7608945), (85, 7519428), (90, 7101682), (102, 6266190), (105, 6087156), (106, 6029730), (119, 5371020), (126, 5072630), (140, 4565367), (153, 4177460), (159, 4019820), (170, 3759714), (180, 3550841), (204, 3133095), (210, 3043578), (212, 3014865), (238, 2685510), (252, 2536315), (255, 2506476), (265, 2411892), (306, 2088730), (315, 2029052), (318, 2009910), (340, 1879857), (357, 1790340), (371, 1722780), (420, 1521789), (476, 1342755), (477, 1339940), (510, 1253238), (530, 1205946), (563, 1135260), (595, 1074204), (612, 1044365), (630, 1014526), (636, 1004955), (714, 895170), (742, 861390), (765, 835492), (795, 803964), (901, 709380), (954, 669970), (1020, 626619), (1060, 602973), (1071, 596780), (1113, 574260), (1126, 567630), (1190, 537102), (1260, 507263), (1428, 447585), (1484, 430695), (1530, 417746), (1590, 401982), (1689, 378420), (1785, 358068), (1802, 354690), (1855, 344556), (1908, 334985), (2142, 298390), (2226, 287130), (2252, 283815), (2380, 268551), (2385, 267988), (2703, 236460), (2815, 227052), (3060, 208873), (3180, 200991), (3339, 191420), (3378, 189210), (3570, 179034), (3604, 177345), (3710, 172278), (3941, 162180), (4284, 149195), (4452, 143565), (4505, 141876), (4770, 133994), (5067, 126140), (5355, 119356), (5406, 118230), (5565, 114852), (5630, 113526), (6307, 101340), (6678, 95710), (6756, 94605), (7140, 89517), (7420, 86139), (7882, 81090), (8109, 78820), (8445, 75684), (9010, 70938), (9540, 66997), (9571, 66780), (10134, 63070), (10710, 59678), (10812, 59115), (11130, 57426), (11260, 56763), (11823, 54060), (12614, 50670), (13356, 47855), (13515, 47292), (15764, 40545), (16218, 39410), (16695, 38284), (16890, 37842), (18020, 35469), (18921, 33780), (19142, 33390), (19705, 32436), (20268, 31535), (21420, 29839), (22260, 28713), (23646, 27030), (25228, 25335)]