85721820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2711}}^1$

素因数の和:2771

約数の個数: 96

約数和(自身を含む): 262434816

約数和(自身を除く): 176712996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 930, 1020, 1054, 1581, 1860, 2108, 2635, 2711, 3162, 5270, 5422, 6324, 7905, 8133, 10540, 10844, 13555, 15810, 16266, 27110, 31620, 32532, 40665, 46087, 54220, 81330, 84041, 92174, 138261, 162660, 168082, 184348, 230435, 252123, 276522, 336164, 420205, 460870, 504246, 553044, 691305, 840410, 921740, 1008492, 1260615, 1382610, 1428697, 1680820, 2521230, 2765220, 2857394, 4286091, 5042460, 5714788, 7143485, 8572182, 14286970, 17144364, 21430455, 28573940, 42860910, 85721820]

約数ペア:

[(1, 85721820), (2, 42860910), (3, 28573940), (4, 21430455), (5, 17144364), (6, 14286970), (10, 8572182), (12, 7143485), (15, 5714788), (17, 5042460), (20, 4286091), (30, 2857394), (31, 2765220), (34, 2521230), (51, 1680820), (60, 1428697), (62, 1382610), (68, 1260615), (85, 1008492), (93, 921740), (102, 840410), (124, 691305), (155, 553044), (170, 504246), (186, 460870), (204, 420205), (255, 336164), (310, 276522), (340, 252123), (372, 230435), (465, 184348), (510, 168082), (527, 162660), (620, 138261), (930, 92174), (1020, 84041), (1054, 81330), (1581, 54220), (1860, 46087), (2108, 40665), (2635, 32532), (2711, 31620), (3162, 27110), (5270, 16266), (5422, 15810), (6324, 13555), (7905, 10844), (8133, 10540)]