56515620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 144

約数和(自身を含む): 188455680

約数和(自身を除く): 131940060

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, 235, 245, 282, 294, 329, 409, 420, 470, 490, 564, 588, 658, 705, 735, 818, 940, 980, 987, 1227, 1316, 1410, 1470, 1636, 1645, 1974, 2045, 2303, 2454, 2820, 2863, 2940, 3290, 3948, 4090, 4606, 4908, 4935, 5726, 6135, 6580, 6909, 8180, 8589, 9212, 9870, 11452, 11515, 12270, 13818, 14315, 17178, 19223, 19740, 20041, 23030, 24540, 27636, 28630, 34356, 34545, 38446, 40082, 42945, 46060, 57260, 57669, 60123, 69090, 76892, 80164, 85890, 96115, 100205, 115338, 120246, 134561, 138180, 171780, 192230, 200410, 230676, 240492, 269122, 288345, 300615, 384460, 400820, 403683, 538244, 576690, 601230, 672805, 807366, 941927, 1153380, 1202460, 1345610, 1614732, 1883854, 2018415, 2691220, 2825781, 3767708, 4036830, 4709635, 5651562, 8073660, 9419270, 11303124, 14128905, 18838540, 28257810, 56515620]

約数ペア:

[(1, 56515620), (2, 28257810), (3, 18838540), (4, 14128905), (5, 11303124), (6, 9419270), (7, 8073660), (10, 5651562), (12, 4709635), (14, 4036830), (15, 3767708), (20, 2825781), (21, 2691220), (28, 2018415), (30, 1883854), (35, 1614732), (42, 1345610), (47, 1202460), (49, 1153380), (60, 941927), (70, 807366), (84, 672805), (94, 601230), (98, 576690), (105, 538244), (140, 403683), (141, 400820), (147, 384460), (188, 300615), (196, 288345), (210, 269122), (235, 240492), (245, 230676), (282, 200410), (294, 192230), (329, 171780), (409, 138180), (420, 134561), (470, 120246), (490, 115338), (564, 100205), (588, 96115), (658, 85890), (705, 80164), (735, 76892), (818, 69090), (940, 60123), (980, 57669), (987, 57260), (1227, 46060), (1316, 42945), (1410, 40082), (1470, 38446), (1636, 34545), (1645, 34356), (1974, 28630), (2045, 27636), (2303, 24540), (2454, 23030), (2820, 20041), (2863, 19740), (2940, 19223), (3290, 17178), (3948, 14315), (4090, 13818), (4606, 12270), (4908, 11515), (4935, 11452), (5726, 9870), (6135, 9212), (6580, 8589), (6909, 8180)]