31308720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{683}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 97708032

約数和(自身を除く): 66399312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 573, 683, 764, 955, 1146, 1366, 1528, 1910, 2049, 2292, 2732, 2865, 3056, 3415, 3820, 4098, 4584, 5464, 5730, 6830, 7640, 8196, 9168, 10245, 10928, 11460, 13660, 15280, 16392, 20490, 22920, 27320, 32784, 40980, 45840, 54640, 81960, 130453, 163920, 260906, 391359, 521812, 652265, 782718, 1043624, 1304530, 1565436, 1956795, 2087248, 2609060, 3130872, 3913590, 5218120, 6261744, 7827180, 10436240, 15654360, 31308720]

約数ペア:

[(1, 31308720), (2, 15654360), (3, 10436240), (4, 7827180), (5, 6261744), (6, 5218120), (8, 3913590), (10, 3130872), (12, 2609060), (15, 2087248), (16, 1956795), (20, 1565436), (24, 1304530), (30, 1043624), (40, 782718), (48, 652265), (60, 521812), (80, 391359), (120, 260906), (191, 163920), (240, 130453), (382, 81960), (573, 54640), (683, 45840), (764, 40980), (955, 32784), (1146, 27320), (1366, 22920), (1528, 20490), (1910, 16392), (2049, 15280), (2292, 13660), (2732, 11460), (2865, 10928), (3056, 10245), (3415, 9168), (3820, 8196), (4098, 7640), (4584, 6830), (5464, 5730)]