31366860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 104799744

約数和(自身を除く): 73432884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 227, 235, 245, 282, 294, 329, 420, 454, 470, 490, 564, 588, 658, 681, 705, 735, 908, 940, 980, 987, 1135, 1316, 1362, 1410, 1470, 1589, 1645, 1974, 2270, 2303, 2724, 2820, 2940, 3178, 3290, 3405, 3948, 4540, 4606, 4767, 4935, 6356, 6580, 6810, 6909, 7945, 9212, 9534, 9870, 10669, 11123, 11515, 13620, 13818, 15890, 19068, 19740, 21338, 22246, 23030, 23835, 27636, 31780, 32007, 33369, 34545, 42676, 44492, 46060, 47670, 53345, 55615, 64014, 66738, 69090, 74683, 95340, 106690, 111230, 128028, 133476, 138180, 149366, 160035, 166845, 213380, 222460, 224049, 298732, 320070, 333690, 373415, 448098, 522781, 640140, 667380, 746830, 896196, 1045562, 1120245, 1493660, 1568343, 2091124, 2240490, 2613905, 3136686, 4480980, 5227810, 6273372, 7841715, 10455620, 15683430, 31366860]

約数ペア:

[(1, 31366860), (2, 15683430), (3, 10455620), (4, 7841715), (5, 6273372), (6, 5227810), (7, 4480980), (10, 3136686), (12, 2613905), (14, 2240490), (15, 2091124), (20, 1568343), (21, 1493660), (28, 1120245), (30, 1045562), (35, 896196), (42, 746830), (47, 667380), (49, 640140), (60, 522781), (70, 448098), (84, 373415), (94, 333690), (98, 320070), (105, 298732), (140, 224049), (141, 222460), (147, 213380), (188, 166845), (196, 160035), (210, 149366), (227, 138180), (235, 133476), (245, 128028), (282, 111230), (294, 106690), (329, 95340), (420, 74683), (454, 69090), (470, 66738), (490, 64014), (564, 55615), (588, 53345), (658, 47670), (681, 46060), (705, 44492), (735, 42676), (908, 34545), (940, 33369), (980, 32007), (987, 31780), (1135, 27636), (1316, 23835), (1362, 23030), (1410, 22246), (1470, 21338), (1589, 19740), (1645, 19068), (1974, 15890), (2270, 13818), (2303, 13620), (2724, 11515), (2820, 11123), (2940, 10669), (3178, 9870), (3290, 9534), (3405, 9212), (3948, 7945), (4540, 6909), (4606, 6810), (4767, 6580), (4935, 6356)]