1520649820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 3406749696

約数和(自身を除く): 1886099876

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 163, 164, 205, 310, 326, 367, 410, 620, 652, 734, 815, 820, 1271, 1468, 1630, 1835, 2542, 3260, 3670, 5053, 5084, 6355, 6683, 7340, 10106, 11377, 12710, 13366, 15047, 20212, 22754, 25265, 25420, 26732, 30094, 33415, 45508, 50530, 56885, 59821, 60188, 66830, 75235, 101060, 113770, 119642, 133660, 150470, 207173, 227540, 239284, 299105, 300940, 414346, 466457, 598210, 828692, 932914, 1035865, 1196420, 1854451, 1865828, 2071730, 2332285, 2452661, 3708902, 4143460, 4664570, 4905322, 7417804, 9272255, 9329140, 9810644, 12263305, 18544510, 24526610, 37089020, 49053220, 76032491, 152064982, 304129964, 380162455, 760324910, 1520649820]

約数ペア:

[(1, 1520649820), (2, 760324910), (4, 380162455), (5, 304129964), (10, 152064982), (20, 76032491), (31, 49053220), (41, 37089020), (62, 24526610), (82, 18544510), (124, 12263305), (155, 9810644), (163, 9329140), (164, 9272255), (205, 7417804), (310, 4905322), (326, 4664570), (367, 4143460), (410, 3708902), (620, 2452661), (652, 2332285), (734, 2071730), (815, 1865828), (820, 1854451), (1271, 1196420), (1468, 1035865), (1630, 932914), (1835, 828692), (2542, 598210), (3260, 466457), (3670, 414346), (5053, 300940), (5084, 299105), (6355, 239284), (6683, 227540), (7340, 207173), (10106, 150470), (11377, 133660), (12710, 119642), (13366, 113770), (15047, 101060), (20212, 75235), (22754, 66830), (25265, 60188), (25420, 59821), (26732, 56885), (30094, 50530), (33415, 45508)]