159644920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 370137600

約数和(自身を除く): 210492680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 268, 284, 335, 355, 536, 568, 670, 710, 839, 1340, 1420, 1678, 2680, 2840, 3356, 4195, 4757, 6712, 8390, 9514, 16780, 19028, 23785, 33560, 38056, 47570, 56213, 59569, 95140, 112426, 119138, 190280, 224852, 238276, 281065, 297845, 449704, 476552, 562130, 595690, 1124260, 1191380, 2248520, 2382760, 3991123, 7982246, 15964492, 19955615, 31928984, 39911230, 79822460, 159644920]

約数ペア:

[(1, 159644920), (2, 79822460), (4, 39911230), (5, 31928984), (8, 19955615), (10, 15964492), (20, 7982246), (40, 3991123), (67, 2382760), (71, 2248520), (134, 1191380), (142, 1124260), (268, 595690), (284, 562130), (335, 476552), (355, 449704), (536, 297845), (568, 281065), (670, 238276), (710, 224852), (839, 190280), (1340, 119138), (1420, 112426), (1678, 95140), (2680, 59569), (2840, 56213), (3356, 47570), (4195, 38056), (4757, 33560), (6712, 23785), (8390, 19028), (9514, 16780)]