39990990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 107680608

約数和(自身を除く): 67689618

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 61, 65, 78, 82, 122, 123, 130, 183, 195, 205, 246, 305, 366, 390, 410, 533, 610, 615, 793, 915, 1066, 1230, 1586, 1599, 1681, 1830, 2379, 2501, 2665, 3198, 3362, 3965, 4758, 5002, 5043, 5330, 7503, 7930, 7995, 8405, 10086, 11895, 12505, 15006, 15990, 16810, 21853, 23790, 25010, 25215, 32513, 37515, 43706, 50430, 65026, 65559, 75030, 97539, 102541, 109265, 131118, 162565, 195078, 205082, 218530, 307623, 325130, 327795, 487695, 512705, 615246, 655590, 975390, 1025410, 1333033, 1538115, 2666066, 3076230, 3999099, 6665165, 7998198, 13330330, 19995495, 39990990]

約数ペア:

[(1, 39990990), (2, 19995495), (3, 13330330), (5, 7998198), (6, 6665165), (10, 3999099), (13, 3076230), (15, 2666066), (26, 1538115), (30, 1333033), (39, 1025410), (41, 975390), (61, 655590), (65, 615246), (78, 512705), (82, 487695), (122, 327795), (123, 325130), (130, 307623), (183, 218530), (195, 205082), (205, 195078), (246, 162565), (305, 131118), (366, 109265), (390, 102541), (410, 97539), (533, 75030), (610, 65559), (615, 65026), (793, 50430), (915, 43706), (1066, 37515), (1230, 32513), (1586, 25215), (1599, 25010), (1681, 23790), (1830, 21853), (2379, 16810), (2501, 15990), (2665, 15006), (3198, 12505), (3362, 11895), (3965, 10086), (4758, 8405), (5002, 7995), (5043, 7930), (5330, 7503)]