1265920

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 3237696

約数和(自身を除く): 1971776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 80, 86, 92, 115, 128, 160, 172, 184, 215, 230, 256, 320, 344, 368, 430, 460, 640, 688, 736, 860, 920, 989, 1280, 1376, 1472, 1720, 1840, 1978, 2752, 2944, 3440, 3680, 3956, 4945, 5504, 5888, 6880, 7360, 7912, 9890, 11008, 13760, 14720, 15824, 19780, 27520, 29440, 31648, 39560, 55040, 63296, 79120, 126592, 158240, 253184, 316480, 632960, 1265920]

約数ペア:

[(1, 1265920), (2, 632960), (4, 316480), (5, 253184), (8, 158240), (10, 126592), (16, 79120), (20, 63296), (23, 55040), (32, 39560), (40, 31648), (43, 29440), (46, 27520), (64, 19780), (80, 15824), (86, 14720), (92, 13760), (115, 11008), (128, 9890), (160, 7912), (172, 7360), (184, 6880), (215, 5888), (230, 5504), (256, 4945), (320, 3956), (344, 3680), (368, 3440), (430, 2944), (460, 2752), (640, 1978), (688, 1840), (736, 1720), (860, 1472), (920, 1376), (989, 1280)]