81711690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3023}}^1$

素因数の和:3103

約数の個数: 64

約数和(自身を含む): 211631616

約数和(自身を除く): 129919926

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 53, 85, 102, 106, 159, 170, 255, 265, 318, 510, 530, 795, 901, 1590, 1802, 2703, 3023, 4505, 5406, 6046, 9010, 9069, 13515, 15115, 18138, 27030, 30230, 45345, 51391, 90690, 102782, 154173, 160219, 256955, 308346, 320438, 480657, 513910, 770865, 801095, 961314, 1541730, 1602190, 2403285, 2723723, 4806570, 5447446, 8171169, 13618615, 16342338, 27237230, 40855845, 81711690]

約数ペア:

[(1, 81711690), (2, 40855845), (3, 27237230), (5, 16342338), (6, 13618615), (10, 8171169), (15, 5447446), (17, 4806570), (30, 2723723), (34, 2403285), (51, 1602190), (53, 1541730), (85, 961314), (102, 801095), (106, 770865), (159, 513910), (170, 480657), (255, 320438), (265, 308346), (318, 256955), (510, 160219), (530, 154173), (795, 102782), (901, 90690), (1590, 51391), (1802, 45345), (2703, 30230), (3023, 27030), (4505, 18138), (5406, 15115), (6046, 13515), (9010, 9069)]