127760320

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2543}}^1$

素因数の和:2717

約数の個数: 56

約数和(自身を含む): 306287424

約数和(自身を除く): 178527104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2512, 2543, 3140, 5024, 5086, 6280, 10048, 10172, 12560, 12715, 20344, 25120, 25430, 40688, 50240, 50860, 81376, 101720, 162752, 203440, 399251, 406880, 798502, 813760, 1597004, 1996255, 3194008, 3992510, 6388016, 7985020, 12776032, 15970040, 25552064, 31940080, 63880160, 127760320]

約数ペア:

[(1, 127760320), (2, 63880160), (4, 31940080), (5, 25552064), (8, 15970040), (10, 12776032), (16, 7985020), (20, 6388016), (32, 3992510), (40, 3194008), (64, 1996255), (80, 1597004), (157, 813760), (160, 798502), (314, 406880), (320, 399251), (628, 203440), (785, 162752), (1256, 101720), (1570, 81376), (2512, 50860), (2543, 50240), (3140, 40688), (5024, 25430), (5086, 25120), (6280, 20344), (10048, 12715), (10172, 12560)]