71878920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{877}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 216198720

約数和(自身を除く): 144319800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 683, 877, 1366, 1754, 2049, 2631, 2732, 3415, 3508, 4098, 4385, 5262, 5464, 6830, 7016, 8196, 8770, 10245, 10524, 13155, 13660, 16392, 17540, 20490, 21048, 26310, 27320, 35080, 40980, 52620, 81960, 105240, 598991, 1197982, 1796973, 2395964, 2994955, 3593946, 4791928, 5989910, 7187892, 8984865, 11979820, 14375784, 17969730, 23959640, 35939460, 71878920]

約数ペア:

[(1, 71878920), (2, 35939460), (3, 23959640), (4, 17969730), (5, 14375784), (6, 11979820), (8, 8984865), (10, 7187892), (12, 5989910), (15, 4791928), (20, 3593946), (24, 2994955), (30, 2395964), (40, 1796973), (60, 1197982), (120, 598991), (683, 105240), (877, 81960), (1366, 52620), (1754, 40980), (2049, 35080), (2631, 27320), (2732, 26310), (3415, 21048), (3508, 20490), (4098, 17540), (4385, 16392), (5262, 13660), (5464, 13155), (6830, 10524), (7016, 10245), (8196, 8770)]