1644332560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68743}}^1$

素因数の和:68792

約数の個数: 80

約数和(自身を含む): 4296225024

約数和(自身を除く): 2651892464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920, 68743, 137486, 274972, 343715, 549944, 687430, 893659, 1099888, 1374860, 1581089, 1787318, 2749720, 3162178, 3574636, 4468295, 5499440, 6324356, 7149272, 7905445, 8936590, 12648712, 14298544, 15810890, 17873180, 20554157, 25297424, 31621780, 35746360, 41108314, 63243560, 71492720, 82216628, 102770785, 126487120, 164433256, 205541570, 328866512, 411083140, 822166280, 1644332560]

約数ペア:

[(1, 1644332560), (2, 822166280), (4, 411083140), (5, 328866512), (8, 205541570), (10, 164433256), (13, 126487120), (16, 102770785), (20, 82216628), (23, 71492720), (26, 63243560), (40, 41108314), (46, 35746360), (52, 31621780), (65, 25297424), (80, 20554157), (92, 17873180), (104, 15810890), (115, 14298544), (130, 12648712), (184, 8936590), (208, 7905445), (230, 7149272), (260, 6324356), (299, 5499440), (368, 4468295), (460, 3574636), (520, 3162178), (598, 2749720), (920, 1787318), (1040, 1581089), (1196, 1374860), (1495, 1099888), (1840, 893659), (2392, 687430), (2990, 549944), (4784, 343715), (5980, 274972), (11960, 137486), (23920, 68743)]