13680920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 37324800

約数和(自身を除く): 23643880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 59, 62, 68, 85, 88, 110, 118, 124, 136, 155, 170, 187, 220, 236, 248, 295, 310, 340, 341, 374, 440, 472, 527, 590, 620, 649, 680, 682, 748, 935, 1003, 1054, 1180, 1240, 1298, 1364, 1496, 1705, 1829, 1870, 2006, 2108, 2360, 2596, 2635, 2728, 3245, 3410, 3658, 3740, 4012, 4216, 5015, 5192, 5270, 5797, 6490, 6820, 7316, 7480, 8024, 9145, 10030, 10540, 11033, 11594, 12980, 13640, 14632, 18290, 20060, 20119, 21080, 22066, 23188, 25960, 28985, 31093, 36580, 40120, 40238, 44132, 46376, 55165, 57970, 62186, 73160, 80476, 88264, 100595, 110330, 115940, 124372, 155465, 160952, 201190, 220660, 231880, 248744, 310930, 342023, 402380, 441320, 621860, 684046, 804760, 1243720, 1368092, 1710115, 2736184, 3420230, 6840460, 13680920]

約数ペア:

[(1, 13680920), (2, 6840460), (4, 3420230), (5, 2736184), (8, 1710115), (10, 1368092), (11, 1243720), (17, 804760), (20, 684046), (22, 621860), (31, 441320), (34, 402380), (40, 342023), (44, 310930), (55, 248744), (59, 231880), (62, 220660), (68, 201190), (85, 160952), (88, 155465), (110, 124372), (118, 115940), (124, 110330), (136, 100595), (155, 88264), (170, 80476), (187, 73160), (220, 62186), (236, 57970), (248, 55165), (295, 46376), (310, 44132), (340, 40238), (341, 40120), (374, 36580), (440, 31093), (472, 28985), (527, 25960), (590, 23188), (620, 22066), (649, 21080), (680, 20119), (682, 20060), (748, 18290), (935, 14632), (1003, 13640), (1054, 12980), (1180, 11594), (1240, 11033), (1298, 10540), (1364, 10030), (1496, 9145), (1705, 8024), (1829, 7480), (1870, 7316), (2006, 6820), (2108, 6490), (2360, 5797), (2596, 5270), (2635, 5192), (2728, 5015), (3245, 4216), (3410, 4012), (3658, 3740)]