68202680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 193898880

約数和(自身を除く): 125696200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 457, 520, 533, 574, 728, 820, 910, 914, 1066, 1148, 1435, 1640, 1820, 1828, 2132, 2285, 2296, 2665, 2870, 3199, 3640, 3656, 3731, 4264, 4570, 5330, 5740, 5941, 6398, 7462, 9140, 10660, 11480, 11882, 12796, 14924, 15995, 18280, 18655, 18737, 21320, 23764, 25592, 29705, 29848, 31990, 37310, 37474, 41587, 47528, 59410, 63980, 74620, 74948, 83174, 93685, 118820, 127960, 131159, 149240, 149896, 166348, 187370, 207935, 237640, 243581, 262318, 332696, 374740, 415870, 487162, 524636, 655795, 749480, 831740, 974324, 1049272, 1217905, 1311590, 1663480, 1705067, 1948648, 2435810, 2623180, 3410134, 4871620, 5246360, 6820268, 8525335, 9743240, 13640536, 17050670, 34101340, 68202680]

約数ペア:

[(1, 68202680), (2, 34101340), (4, 17050670), (5, 13640536), (7, 9743240), (8, 8525335), (10, 6820268), (13, 5246360), (14, 4871620), (20, 3410134), (26, 2623180), (28, 2435810), (35, 1948648), (40, 1705067), (41, 1663480), (52, 1311590), (56, 1217905), (65, 1049272), (70, 974324), (82, 831740), (91, 749480), (104, 655795), (130, 524636), (140, 487162), (164, 415870), (182, 374740), (205, 332696), (260, 262318), (280, 243581), (287, 237640), (328, 207935), (364, 187370), (410, 166348), (455, 149896), (457, 149240), (520, 131159), (533, 127960), (574, 118820), (728, 93685), (820, 83174), (910, 74948), (914, 74620), (1066, 63980), (1148, 59410), (1435, 47528), (1640, 41587), (1820, 37474), (1828, 37310), (2132, 31990), (2285, 29848), (2296, 29705), (2665, 25592), (2870, 23764), (3199, 21320), (3640, 18737), (3656, 18655), (3731, 18280), (4264, 15995), (4570, 14924), (5330, 12796), (5740, 11882), (5941, 11480), (6398, 10660), (7462, 9140)]