331388120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 904780800

約数和(自身を除く): 573392680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 167, 190, 266, 280, 334, 373, 380, 532, 665, 668, 746, 760, 835, 1064, 1169, 1330, 1336, 1492, 1670, 1865, 2338, 2611, 2660, 2984, 3173, 3340, 3730, 4676, 5222, 5320, 5845, 6346, 6680, 7087, 7460, 9352, 10444, 11690, 12692, 13055, 14174, 14920, 15865, 20888, 22211, 23380, 25384, 26110, 28348, 31730, 35435, 44422, 46760, 49609, 52220, 56696, 62291, 63460, 70870, 88844, 99218, 104440, 111055, 124582, 126920, 141740, 177688, 198436, 222110, 248045, 249164, 283480, 311455, 396872, 436037, 444220, 496090, 498328, 622910, 872074, 888440, 992180, 1183529, 1245820, 1744148, 1984360, 2180185, 2367058, 2491640, 3488296, 4360370, 4734116, 5917645, 8284703, 8720740, 9468232, 11835290, 16569406, 17441480, 23670580, 33138812, 41423515, 47341160, 66277624, 82847030, 165694060, 331388120]

約数ペア:

[(1, 331388120), (2, 165694060), (4, 82847030), (5, 66277624), (7, 47341160), (8, 41423515), (10, 33138812), (14, 23670580), (19, 17441480), (20, 16569406), (28, 11835290), (35, 9468232), (38, 8720740), (40, 8284703), (56, 5917645), (70, 4734116), (76, 4360370), (95, 3488296), (133, 2491640), (140, 2367058), (152, 2180185), (167, 1984360), (190, 1744148), (266, 1245820), (280, 1183529), (334, 992180), (373, 888440), (380, 872074), (532, 622910), (665, 498328), (668, 496090), (746, 444220), (760, 436037), (835, 396872), (1064, 311455), (1169, 283480), (1330, 249164), (1336, 248045), (1492, 222110), (1670, 198436), (1865, 177688), (2338, 141740), (2611, 126920), (2660, 124582), (2984, 111055), (3173, 104440), (3340, 99218), (3730, 88844), (4676, 70870), (5222, 63460), (5320, 62291), (5845, 56696), (6346, 52220), (6680, 49609), (7087, 46760), (7460, 44422), (9352, 35435), (10444, 31730), (11690, 28348), (12692, 26110), (13055, 25384), (14174, 23380), (14920, 22211), (15865, 20888)]