28568280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18313}}^1$

素因数の和:18340

約数の個数: 64

約数和(自身を含む): 92302560

約数和(自身を除く): 63734280

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, 18313, 36626, 54939, 73252, 91565, 109878, 146504, 183130, 219756, 238069, 274695, 366260, 439512, 476138, 549390, 714207, 732520, 952276, 1098780, 1190345, 1428414, 1904552, 2197560, 2380690, 2856828, 3571035, 4761380, 5713656, 7142070, 9522760, 14284140, 28568280]

約数ペア:

[(1, 28568280), (2, 14284140), (3, 9522760), (4, 7142070), (5, 5713656), (6, 4761380), (8, 3571035), (10, 2856828), (12, 2380690), (13, 2197560), (15, 1904552), (20, 1428414), (24, 1190345), (26, 1098780), (30, 952276), (39, 732520), (40, 714207), (52, 549390), (60, 476138), (65, 439512), (78, 366260), (104, 274695), (120, 238069), (130, 219756), (156, 183130), (195, 146504), (260, 109878), (312, 91565), (390, 73252), (520, 54939), (780, 36626), (1560, 18313)]