256369512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 766713600

約数和(自身を除く): 510344088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 101, 116, 168, 174, 202, 203, 232, 303, 348, 404, 406, 521, 606, 609, 696, 707, 808, 812, 1042, 1212, 1218, 1414, 1563, 1624, 2084, 2121, 2424, 2436, 2828, 2929, 3126, 3647, 4168, 4242, 4872, 5656, 5858, 6252, 7294, 8484, 8787, 10941, 11716, 12504, 14588, 15109, 16968, 17574, 20503, 21882, 23432, 29176, 30218, 35148, 41006, 43764, 45327, 52621, 60436, 61509, 70296, 82012, 87528, 90654, 105242, 105763, 120872, 123018, 157863, 164024, 181308, 210484, 211526, 246036, 315726, 317289, 362616, 368347, 420968, 423052, 492072, 631452, 634578, 736694, 846104, 1105041, 1262904, 1269156, 1473388, 1526009, 2210082, 2538312, 2946776, 3052018, 4420164, 4578027, 6104036, 8840328, 9156054, 10682063, 12208072, 18312108, 21364126, 32046189, 36624216, 42728252, 64092378, 85456504, 128184756, 256369512]

約数ペア:

[(1, 256369512), (2, 128184756), (3, 85456504), (4, 64092378), (6, 42728252), (7, 36624216), (8, 32046189), (12, 21364126), (14, 18312108), (21, 12208072), (24, 10682063), (28, 9156054), (29, 8840328), (42, 6104036), (56, 4578027), (58, 4420164), (84, 3052018), (87, 2946776), (101, 2538312), (116, 2210082), (168, 1526009), (174, 1473388), (202, 1269156), (203, 1262904), (232, 1105041), (303, 846104), (348, 736694), (404, 634578), (406, 631452), (521, 492072), (606, 423052), (609, 420968), (696, 368347), (707, 362616), (808, 317289), (812, 315726), (1042, 246036), (1212, 211526), (1218, 210484), (1414, 181308), (1563, 164024), (1624, 157863), (2084, 123018), (2121, 120872), (2424, 105763), (2436, 105242), (2828, 90654), (2929, 87528), (3126, 82012), (3647, 70296), (4168, 61509), (4242, 60436), (4872, 52621), (5656, 45327), (5858, 43764), (6252, 41006), (7294, 35148), (8484, 30218), (8787, 29176), (10941, 23432), (11716, 21882), (12504, 20503), (14588, 17574), (15109, 16968)]