1666707720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{1171}}^1$

素因数の和:1623

約数の個数: 128

約数和(自身を含む): 5189616000

約数和(自身を除く): 3522908280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 409, 435, 580, 696, 818, 870, 1160, 1171, 1227, 1636, 1740, 2045, 2342, 2454, 3272, 3480, 3513, 4090, 4684, 4908, 5855, 6135, 7026, 8180, 9368, 9816, 11710, 11861, 12270, 14052, 16360, 17565, 23420, 23722, 24540, 28104, 33959, 35130, 35583, 46840, 47444, 49080, 59305, 67918, 70260, 71166, 94888, 101877, 118610, 135836, 140520, 142332, 169795, 177915, 203754, 237220, 271672, 284664, 339590, 355830, 407508, 474440, 478939, 509385, 679180, 711660, 815016, 957878, 1018770, 1358360, 1423320, 1436817, 1915756, 2037540, 2394695, 2873634, 3831512, 4075080, 4789390, 5747268, 7184085, 9578780, 11494536, 13889231, 14368170, 19157560, 27778462, 28736340, 41667693, 55556924, 57472680, 69446155, 83335386, 111113848, 138892310, 166670772, 208338465, 277784620, 333341544, 416676930, 555569240, 833353860, 1666707720]

約数ペア:

[(1, 1666707720), (2, 833353860), (3, 555569240), (4, 416676930), (5, 333341544), (6, 277784620), (8, 208338465), (10, 166670772), (12, 138892310), (15, 111113848), (20, 83335386), (24, 69446155), (29, 57472680), (30, 55556924), (40, 41667693), (58, 28736340), (60, 27778462), (87, 19157560), (116, 14368170), (120, 13889231), (145, 11494536), (174, 9578780), (232, 7184085), (290, 5747268), (348, 4789390), (409, 4075080), (435, 3831512), (580, 2873634), (696, 2394695), (818, 2037540), (870, 1915756), (1160, 1436817), (1171, 1423320), (1227, 1358360), (1636, 1018770), (1740, 957878), (2045, 815016), (2342, 711660), (2454, 679180), (3272, 509385), (3480, 478939), (3513, 474440), (4090, 407508), (4684, 355830), (4908, 339590), (5855, 284664), (6135, 271672), (7026, 237220), (8180, 203754), (9368, 177915), (9816, 169795), (11710, 142332), (11861, 140520), (12270, 135836), (14052, 118610), (16360, 101877), (17565, 94888), (23420, 71166), (23722, 70260), (24540, 67918), (28104, 59305), (33959, 49080), (35130, 47444), (35583, 46840)]