1570238840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{839}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 3592512000

約数和(自身を除く): 2022273160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 659, 710, 839, 1318, 1420, 1678, 2636, 2840, 3295, 3356, 4195, 5272, 6590, 6712, 8390, 13180, 16780, 26360, 33560, 46789, 59569, 93578, 119138, 187156, 233945, 238276, 297845, 374312, 467890, 476552, 552901, 595690, 935780, 1105802, 1191380, 1871560, 2211604, 2382760, 2764505, 4423208, 5529010, 11058020, 22116040, 39255971, 78511942, 157023884, 196279855, 314047768, 392559710, 785119420, 1570238840]

約数ペア:

[(1, 1570238840), (2, 785119420), (4, 392559710), (5, 314047768), (8, 196279855), (10, 157023884), (20, 78511942), (40, 39255971), (71, 22116040), (142, 11058020), (284, 5529010), (355, 4423208), (568, 2764505), (659, 2382760), (710, 2211604), (839, 1871560), (1318, 1191380), (1420, 1105802), (1678, 935780), (2636, 595690), (2840, 552901), (3295, 476552), (3356, 467890), (4195, 374312), (5272, 297845), (6590, 238276), (6712, 233945), (8390, 187156), (13180, 119138), (16780, 93578), (26360, 59569), (33560, 46789)]