28028760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1783}}^1$

素因数の和:1928

約数の個数: 64

約数和(自身を含む): 84775680

約数和(自身を除く): 56746920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1783, 1965, 2620, 3144, 3566, 3930, 5240, 5349, 7132, 7860, 8915, 10698, 14264, 15720, 17830, 21396, 26745, 35660, 42792, 53490, 71320, 106980, 213960, 233573, 467146, 700719, 934292, 1167865, 1401438, 1868584, 2335730, 2802876, 3503595, 4671460, 5605752, 7007190, 9342920, 14014380, 28028760]

約数ペア:

[(1, 28028760), (2, 14014380), (3, 9342920), (4, 7007190), (5, 5605752), (6, 4671460), (8, 3503595), (10, 2802876), (12, 2335730), (15, 1868584), (20, 1401438), (24, 1167865), (30, 934292), (40, 700719), (60, 467146), (120, 233573), (131, 213960), (262, 106980), (393, 71320), (524, 53490), (655, 42792), (786, 35660), (1048, 26745), (1310, 21396), (1572, 17830), (1783, 15720), (1965, 14264), (2620, 10698), (3144, 8915), (3566, 7860), (3930, 7132), (5240, 5349)]