20778844170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1\times {\mathrm{1163}}^1$

素因数の和:1900

約数の個数: 128

約数和(自身を含む): 57525811200

約数和(自身を除く): 36746967030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 571, 745, 894, 1043, 1142, 1163, 1490, 1713, 2086, 2235, 2326, 2855, 3129, 3426, 3489, 3997, 4470, 5215, 5710, 5815, 6258, 6978, 7994, 8141, 8565, 10430, 11630, 11991, 15645, 16282, 17130, 17445, 19985, 23982, 24423, 31290, 34890, 39970, 40705, 48846, 59955, 81410, 85079, 119910, 122115, 170158, 173287, 244230, 255237, 346574, 425395, 510474, 519861, 595553, 664073, 850790, 866435, 1039722, 1191106, 1213009, 1276185, 1328146, 1732870, 1786659, 1992219, 2426018, 2552370, 2599305, 2977765, 3320365, 3573318, 3639027, 3984438, 4648511, 5198610, 5955530, 6065045, 6640730, 7278054, 8933295, 9297022, 9961095, 12130090, 13945533, 17866590, 18195135, 19922190, 23242555, 27891066, 36390270, 46485110, 69727665, 98946877, 139455330, 197893754, 296840631, 494734385, 593681262, 692628139, 989468770, 1385256278, 1484203155, 2077884417, 2968406310, 3463140695, 4155768834, 6926281390, 10389422085, 20778844170]

約数ペア:

[(1, 20778844170), (2, 10389422085), (3, 6926281390), (5, 4155768834), (6, 3463140695), (7, 2968406310), (10, 2077884417), (14, 1484203155), (15, 1385256278), (21, 989468770), (30, 692628139), (35, 593681262), (42, 494734385), (70, 296840631), (105, 197893754), (149, 139455330), (210, 98946877), (298, 69727665), (447, 46485110), (571, 36390270), (745, 27891066), (894, 23242555), (1043, 19922190), (1142, 18195135), (1163, 17866590), (1490, 13945533), (1713, 12130090), (2086, 9961095), (2235, 9297022), (2326, 8933295), (2855, 7278054), (3129, 6640730), (3426, 6065045), (3489, 5955530), (3997, 5198610), (4470, 4648511), (5215, 3984438), (5710, 3639027), (5815, 3573318), (6258, 3320365), (6978, 2977765), (7994, 2599305), (8141, 2552370), (8565, 2426018), (10430, 1992219), (11630, 1786659), (11991, 1732870), (15645, 1328146), (16282, 1276185), (17130, 1213009), (17445, 1191106), (19985, 1039722), (23982, 866435), (24423, 850790), (31290, 664073), (34890, 595553), (39970, 519861), (40705, 510474), (48846, 425395), (59955, 346574), (81410, 255237), (85079, 244230), (119910, 173287), (122115, 170158)]