1728011920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2489

約数の個数: 120

約数和(自身を含む): 4407360768

約数和(自身を除く): 2679348848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 289, 310, 340, 496, 527, 578, 620, 680, 1054, 1156, 1240, 1360, 1445, 2108, 2312, 2411, 2480, 2635, 2890, 4216, 4624, 4822, 5270, 5780, 8432, 8959, 9644, 10540, 11560, 12055, 17918, 19288, 21080, 23120, 24110, 35836, 38576, 40987, 42160, 44795, 48220, 71672, 74741, 81974, 89590, 96440, 143344, 149482, 163948, 179180, 192880, 204935, 298964, 327896, 358360, 373705, 409870, 597928, 655792, 696779, 716720, 747410, 819740, 1195856, 1270597, 1393558, 1494820, 1639480, 2541194, 2787116, 2989640, 3278960, 3483895, 5082388, 5574232, 5979280, 6352985, 6967790, 10164776, 11148464, 12705970, 13935580, 20329552, 21600149, 25411940, 27871160, 43200298, 50823880, 55742320, 86400596, 101647760, 108000745, 172801192, 216001490, 345602384, 432002980, 864005960, 1728011920]

約数ペア:

[(1, 1728011920), (2, 864005960), (4, 432002980), (5, 345602384), (8, 216001490), (10, 172801192), (16, 108000745), (17, 101647760), (20, 86400596), (31, 55742320), (34, 50823880), (40, 43200298), (62, 27871160), (68, 25411940), (80, 21600149), (85, 20329552), (124, 13935580), (136, 12705970), (155, 11148464), (170, 10164776), (248, 6967790), (272, 6352985), (289, 5979280), (310, 5574232), (340, 5082388), (496, 3483895), (527, 3278960), (578, 2989640), (620, 2787116), (680, 2541194), (1054, 1639480), (1156, 1494820), (1240, 1393558), (1360, 1270597), (1445, 1195856), (2108, 819740), (2312, 747410), (2411, 716720), (2480, 696779), (2635, 655792), (2890, 597928), (4216, 409870), (4624, 373705), (4822, 358360), (5270, 327896), (5780, 298964), (8432, 204935), (8959, 192880), (9644, 179180), (10540, 163948), (11560, 149482), (12055, 143344), (17918, 96440), (19288, 89590), (21080, 81974), (23120, 74741), (24110, 71672), (35836, 48220), (38576, 44795), (40987, 42160)]