81689430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 202487040

約数和(自身を除く): 120797610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 83, 106, 159, 166, 249, 265, 318, 415, 498, 530, 619, 795, 830, 1238, 1245, 1590, 1857, 2490, 3095, 3714, 4399, 6190, 8798, 9285, 13197, 18570, 21995, 26394, 32807, 43990, 51377, 65614, 65985, 98421, 102754, 131970, 154131, 164035, 196842, 256885, 308262, 328070, 492105, 513770, 770655, 984210, 1541310, 2722981, 5445962, 8168943, 13614905, 16337886, 27229810, 40844715, 81689430]

約数ペア:

[(1, 81689430), (2, 40844715), (3, 27229810), (5, 16337886), (6, 13614905), (10, 8168943), (15, 5445962), (30, 2722981), (53, 1541310), (83, 984210), (106, 770655), (159, 513770), (166, 492105), (249, 328070), (265, 308262), (318, 256885), (415, 196842), (498, 164035), (530, 154131), (619, 131970), (795, 102754), (830, 98421), (1238, 65985), (1245, 65614), (1590, 51377), (1857, 43990), (2490, 32807), (3095, 26394), (3714, 21995), (4399, 18570), (6190, 13197), (8798, 9285)]