1570244920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{4099}}^1$

素因数の和:4328

約数の個数: 64

約数和(自身を含む): 3614724000

約数和(自身を除く): 2044479080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 157, 244, 305, 314, 488, 610, 628, 785, 1220, 1256, 1570, 2440, 3140, 4099, 6280, 8198, 9577, 16396, 19154, 20495, 32792, 38308, 40990, 47885, 76616, 81980, 95770, 163960, 191540, 250039, 383080, 500078, 643543, 1000156, 1250195, 1287086, 2000312, 2500390, 2574172, 3217715, 5000780, 5148344, 6435430, 10001560, 12870860, 25741720, 39256123, 78512246, 157024492, 196280615, 314048984, 392561230, 785122460, 1570244920]

約数ペア:

[(1, 1570244920), (2, 785122460), (4, 392561230), (5, 314048984), (8, 196280615), (10, 157024492), (20, 78512246), (40, 39256123), (61, 25741720), (122, 12870860), (157, 10001560), (244, 6435430), (305, 5148344), (314, 5000780), (488, 3217715), (610, 2574172), (628, 2500390), (785, 2000312), (1220, 1287086), (1256, 1250195), (1570, 1000156), (2440, 643543), (3140, 500078), (4099, 383080), (6280, 250039), (8198, 191540), (9577, 163960), (16396, 95770), (19154, 81980), (20495, 76616), (32792, 47885), (38308, 40990)]