28746120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18427}}^1$

素因数の和:18454

約数の個数: 64

約数和(自身を含む): 92877120

約数和(自身を除く): 64131000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18427, 36854, 55281, 73708, 92135, 110562, 147416, 184270, 221124, 239551, 276405, 368540, 442248, 479102, 552810, 718653, 737080, 958204, 1105620, 1197755, 1437306, 1916408, 2211240, 2395510, 2874612, 3593265, 4791020, 5749224, 7186530, 9582040, 14373060, 28746120]

約数ペア:

[(1, 28746120), (2, 14373060), (3, 9582040), (4, 7186530), (5, 5749224), (6, 4791020), (8, 3593265), (10, 2874612), (12, 2395510), (13, 2211240), (15, 1916408), (20, 1437306), (24, 1197755), (26, 1105620), (30, 958204), (39, 737080), (40, 718653), (52, 552810), (60, 479102), (65, 442248), (78, 368540), (104, 276405), (120, 239551), (130, 221124), (156, 184270), (195, 147416), (260, 110562), (312, 92135), (390, 73708), (520, 55281), (780, 36854), (1560, 18427)]