320465740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 794271744

約数和(自身を除く): 473806004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 113, 140, 188, 226, 235, 329, 431, 452, 470, 565, 658, 791, 862, 940, 1130, 1316, 1582, 1645, 1724, 2155, 2260, 3017, 3164, 3290, 3955, 4310, 5311, 6034, 6580, 7910, 8620, 10622, 12068, 15085, 15820, 20257, 21244, 26555, 30170, 37177, 40514, 48703, 53110, 60340, 74354, 81028, 97406, 101285, 106220, 141799, 148708, 185885, 194812, 202570, 243515, 283598, 340921, 371770, 405140, 487030, 567196, 681842, 708995, 743540, 974060, 1363684, 1417990, 1704605, 2289041, 2835980, 3409210, 4578082, 6818420, 9156164, 11445205, 16023287, 22890410, 32046574, 45780820, 64093148, 80116435, 160232870, 320465740]

約数ペア:

[(1, 320465740), (2, 160232870), (4, 80116435), (5, 64093148), (7, 45780820), (10, 32046574), (14, 22890410), (20, 16023287), (28, 11445205), (35, 9156164), (47, 6818420), (70, 4578082), (94, 3409210), (113, 2835980), (140, 2289041), (188, 1704605), (226, 1417990), (235, 1363684), (329, 974060), (431, 743540), (452, 708995), (470, 681842), (565, 567196), (658, 487030), (791, 405140), (862, 371770), (940, 340921), (1130, 283598), (1316, 243515), (1582, 202570), (1645, 194812), (1724, 185885), (2155, 148708), (2260, 141799), (3017, 106220), (3164, 101285), (3290, 97406), (3955, 81028), (4310, 74354), (5311, 60340), (6034, 53110), (6580, 48703), (7910, 40514), (8620, 37177), (10622, 30170), (12068, 26555), (15085, 21244), (15820, 20257)]