28671120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39821}}^1$

素因数の和:39840

約数の個数: 60

約数和(自身を含む): 96289596

約数和(自身を除く): 67618476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39821, 79642, 119463, 159284, 199105, 238926, 318568, 358389, 398210, 477852, 597315, 637136, 716778, 796420, 955704, 1194630, 1433556, 1592840, 1791945, 1911408, 2389260, 2867112, 3185680, 3583890, 4778520, 5734224, 7167780, 9557040, 14335560, 28671120]

約数ペア:

[(1, 28671120), (2, 14335560), (3, 9557040), (4, 7167780), (5, 5734224), (6, 4778520), (8, 3583890), (9, 3185680), (10, 2867112), (12, 2389260), (15, 1911408), (16, 1791945), (18, 1592840), (20, 1433556), (24, 1194630), (30, 955704), (36, 796420), (40, 716778), (45, 637136), (48, 597315), (60, 477852), (72, 398210), (80, 358389), (90, 318568), (120, 238926), (144, 199105), (180, 159284), (240, 119463), (360, 79642), (720, 39821)]