68994840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1153

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 157442280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1091, 1240, 1581, 1860, 2040, 2108, 2182, 2635, 3162, 3273, 3720, 4216, 4364, 5270, 5455, 6324, 6546, 7905, 8728, 10540, 10910, 12648, 13092, 15810, 16365, 18547, 21080, 21820, 26184, 31620, 32730, 33821, 37094, 43640, 55641, 63240, 65460, 67642, 74188, 92735, 101463, 111282, 130920, 135284, 148376, 169105, 185470, 202926, 222564, 270568, 278205, 338210, 370940, 405852, 445128, 507315, 556410, 574957, 676420, 741880, 811704, 1014630, 1112820, 1149914, 1352840, 1724871, 2029260, 2225640, 2299828, 2874785, 3449742, 4058520, 4599656, 5749570, 6899484, 8624355, 11499140, 13798968, 17248710, 22998280, 34497420, 68994840]

約数ペア:

[(1, 68994840), (2, 34497420), (3, 22998280), (4, 17248710), (5, 13798968), (6, 11499140), (8, 8624355), (10, 6899484), (12, 5749570), (15, 4599656), (17, 4058520), (20, 3449742), (24, 2874785), (30, 2299828), (31, 2225640), (34, 2029260), (40, 1724871), (51, 1352840), (60, 1149914), (62, 1112820), (68, 1014630), (85, 811704), (93, 741880), (102, 676420), (120, 574957), (124, 556410), (136, 507315), (155, 445128), (170, 405852), (186, 370940), (204, 338210), (248, 278205), (255, 270568), (310, 222564), (340, 202926), (372, 185470), (408, 169105), (465, 148376), (510, 135284), (527, 130920), (620, 111282), (680, 101463), (744, 92735), (930, 74188), (1020, 67642), (1054, 65460), (1091, 63240), (1240, 55641), (1581, 43640), (1860, 37094), (2040, 33821), (2108, 32730), (2182, 31620), (2635, 26184), (3162, 21820), (3273, 21080), (3720, 18547), (4216, 16365), (4364, 15810), (5270, 13092), (5455, 12648), (6324, 10910), (6546, 10540), (7905, 8728)]