747697140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 2360292480

約数和(自身を除く): 1612595340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 227, 261, 290, 348, 435, 454, 522, 580, 631, 681, 870, 908, 1044, 1135, 1262, 1305, 1362, 1740, 1893, 2043, 2270, 2524, 2610, 2724, 3155, 3405, 3786, 4086, 4540, 5220, 5679, 6310, 6583, 6810, 7572, 8172, 9465, 10215, 11358, 12620, 13166, 13620, 18299, 18930, 19749, 20430, 22716, 26332, 28395, 32915, 36598, 37860, 39498, 40860, 54897, 56790, 59247, 65830, 73196, 78996, 91495, 98745, 109794, 113580, 118494, 131660, 143237, 164691, 182990, 197490, 219588, 236988, 274485, 286474, 296235, 329382, 365980, 394980, 429711, 548970, 572948, 592470, 658764, 716185, 823455, 859422, 1097940, 1184940, 1289133, 1432370, 1646910, 1718844, 2148555, 2578266, 2864740, 3293820, 4153873, 4297110, 5156532, 6445665, 8307746, 8594220, 12461619, 12891330, 16615492, 20769365, 24923238, 25782660, 37384857, 41538730, 49846476, 62308095, 74769714, 83077460, 124616190, 149539428, 186924285, 249232380, 373848570, 747697140]

約数ペア:

[(1, 747697140), (2, 373848570), (3, 249232380), (4, 186924285), (5, 149539428), (6, 124616190), (9, 83077460), (10, 74769714), (12, 62308095), (15, 49846476), (18, 41538730), (20, 37384857), (29, 25782660), (30, 24923238), (36, 20769365), (45, 16615492), (58, 12891330), (60, 12461619), (87, 8594220), (90, 8307746), (116, 6445665), (145, 5156532), (174, 4297110), (180, 4153873), (227, 3293820), (261, 2864740), (290, 2578266), (348, 2148555), (435, 1718844), (454, 1646910), (522, 1432370), (580, 1289133), (631, 1184940), (681, 1097940), (870, 859422), (908, 823455), (1044, 716185), (1135, 658764), (1262, 592470), (1305, 572948), (1362, 548970), (1740, 429711), (1893, 394980), (2043, 365980), (2270, 329382), (2524, 296235), (2610, 286474), (2724, 274485), (3155, 236988), (3405, 219588), (3786, 197490), (4086, 182990), (4540, 164691), (5220, 143237), (5679, 131660), (6310, 118494), (6583, 113580), (6810, 109794), (7572, 98745), (8172, 91495), (9465, 78996), (10215, 73196), (11358, 65830), (12620, 59247), (13166, 56790), (13620, 54897), (18299, 40860), (18930, 39498), (19749, 37860), (20430, 36598), (22716, 32915), (26332, 28395)]