66521040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8941}}^1$

素因数の和:8988

約数の個数: 80

約数和(自身を含む): 212891136

約数和(自身を除く): 146370096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 8941, 17882, 26823, 35764, 44705, 53646, 71528, 89410, 107292, 134115, 143056, 178820, 214584, 268230, 277171, 357640, 429168, 536460, 554342, 715280, 831513, 1072920, 1108684, 1385855, 1663026, 2145840, 2217368, 2771710, 3326052, 4157565, 4434736, 5543420, 6652104, 8315130, 11086840, 13304208, 16630260, 22173680, 33260520, 66521040]

約数ペア:

[(1, 66521040), (2, 33260520), (3, 22173680), (4, 16630260), (5, 13304208), (6, 11086840), (8, 8315130), (10, 6652104), (12, 5543420), (15, 4434736), (16, 4157565), (20, 3326052), (24, 2771710), (30, 2217368), (31, 2145840), (40, 1663026), (48, 1385855), (60, 1108684), (62, 1072920), (80, 831513), (93, 715280), (120, 554342), (124, 536460), (155, 429168), (186, 357640), (240, 277171), (248, 268230), (310, 214584), (372, 178820), (465, 143056), (496, 134115), (620, 107292), (744, 89410), (930, 71528), (1240, 53646), (1488, 44705), (1860, 35764), (2480, 26823), (3720, 17882), (7440, 8941)]