21960240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2526

約数の個数: 80

約数和(自身を含む): 69944928

約数和(自身を除く): 47984688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2473, 2960, 4440, 4946, 7419, 8880, 9892, 12365, 14838, 19784, 24730, 29676, 37095, 39568, 49460, 59352, 74190, 91501, 98920, 118704, 148380, 183002, 197840, 274503, 296760, 366004, 457505, 549006, 593520, 732008, 915010, 1098012, 1372515, 1464016, 1830020, 2196024, 2745030, 3660040, 4392048, 5490060, 7320080, 10980120, 21960240]

約数ペア:

[(1, 21960240), (2, 10980120), (3, 7320080), (4, 5490060), (5, 4392048), (6, 3660040), (8, 2745030), (10, 2196024), (12, 1830020), (15, 1464016), (16, 1372515), (20, 1098012), (24, 915010), (30, 732008), (37, 593520), (40, 549006), (48, 457505), (60, 366004), (74, 296760), (80, 274503), (111, 197840), (120, 183002), (148, 148380), (185, 118704), (222, 98920), (240, 91501), (296, 74190), (370, 59352), (444, 49460), (555, 39568), (592, 37095), (740, 29676), (888, 24730), (1110, 19784), (1480, 14838), (1776, 12365), (2220, 9892), (2473, 8880), (2960, 7419), (4440, 4946)]