31691940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1317

約数の個数: 96

約数和(自身を含む): 103160064

約数和(自身を除く): 71468124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1237, 1281, 1708, 1830, 2135, 2474, 2562, 3660, 3711, 4270, 4948, 5124, 6185, 6405, 7422, 8540, 8659, 12370, 12810, 14844, 17318, 18555, 24740, 25620, 25977, 34636, 37110, 43295, 51954, 74220, 75457, 86590, 103908, 129885, 150914, 173180, 226371, 259770, 301828, 377285, 452742, 519540, 528199, 754570, 905484, 1056398, 1131855, 1509140, 1584597, 2112796, 2263710, 2640995, 3169194, 4527420, 5281990, 6338388, 7922985, 10563980, 15845970, 31691940]

約数ペア:

[(1, 31691940), (2, 15845970), (3, 10563980), (4, 7922985), (5, 6338388), (6, 5281990), (7, 4527420), (10, 3169194), (12, 2640995), (14, 2263710), (15, 2112796), (20, 1584597), (21, 1509140), (28, 1131855), (30, 1056398), (35, 905484), (42, 754570), (60, 528199), (61, 519540), (70, 452742), (84, 377285), (105, 301828), (122, 259770), (140, 226371), (183, 173180), (210, 150914), (244, 129885), (305, 103908), (366, 86590), (420, 75457), (427, 74220), (610, 51954), (732, 43295), (854, 37110), (915, 34636), (1220, 25977), (1237, 25620), (1281, 24740), (1708, 18555), (1830, 17318), (2135, 14844), (2474, 12810), (2562, 12370), (3660, 8659), (3711, 8540), (4270, 7422), (4948, 6405), (5124, 6185)]