77989140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1531}}^1$

素因数の和:1829

約数の個数: 72

約数和(自身を含む): 237558048

約数和(自身を除く): 159568908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1132, 1415, 1531, 1698, 2547, 2830, 3062, 3396, 4245, 4593, 5094, 5660, 6124, 7655, 8490, 9186, 10188, 12735, 13779, 15310, 16980, 18372, 22965, 25470, 27558, 30620, 45930, 50940, 55116, 68895, 91860, 137790, 275580, 433273, 866546, 1299819, 1733092, 2166365, 2599638, 3899457, 4332730, 5199276, 6499095, 7798914, 8665460, 12998190, 15597828, 19497285, 25996380, 38994570, 77989140]

約数ペア:

[(1, 77989140), (2, 38994570), (3, 25996380), (4, 19497285), (5, 15597828), (6, 12998190), (9, 8665460), (10, 7798914), (12, 6499095), (15, 5199276), (18, 4332730), (20, 3899457), (30, 2599638), (36, 2166365), (45, 1733092), (60, 1299819), (90, 866546), (180, 433273), (283, 275580), (566, 137790), (849, 91860), (1132, 68895), (1415, 55116), (1531, 50940), (1698, 45930), (2547, 30620), (2830, 27558), (3062, 25470), (3396, 22965), (4245, 18372), (4593, 16980), (5094, 15310), (5660, 13779), (6124, 12735), (7655, 10188), (8490, 9186)]