275287440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:437

約数の個数: 160

約数和(自身を含む): 890228736

約数和(自身を除く): 614941296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 163, 186, 227, 240, 248, 310, 326, 372, 454, 465, 489, 496, 620, 652, 681, 744, 815, 908, 930, 978, 1135, 1240, 1304, 1362, 1488, 1630, 1816, 1860, 1956, 2270, 2445, 2480, 2608, 2724, 3260, 3405, 3632, 3720, 3912, 4540, 4890, 5053, 5448, 6520, 6810, 7037, 7440, 7824, 9080, 9780, 10106, 10896, 13040, 13620, 14074, 15159, 18160, 19560, 20212, 21111, 25265, 27240, 28148, 30318, 35185, 37001, 39120, 40424, 42222, 50530, 54480, 56296, 60636, 70370, 74002, 75795, 80848, 84444, 101060, 105555, 111003, 112592, 121272, 140740, 148004, 151590, 168888, 185005, 202120, 211110, 222006, 242544, 281480, 296008, 303180, 337776, 370010, 404240, 422220, 444012, 555015, 562960, 592016, 606360, 740020, 844440, 888024, 1110030, 1147031, 1212720, 1480040, 1688880, 1776048, 2220060, 2294062, 2960080, 3441093, 4440120, 4588124, 5735155, 6882186, 8880240, 9176248, 11470310, 13764372, 17205465, 18352496, 22940620, 27528744, 34410930, 45881240, 55057488, 68821860, 91762480, 137643720, 275287440]

約数ペア:

[(1, 275287440), (2, 137643720), (3, 91762480), (4, 68821860), (5, 55057488), (6, 45881240), (8, 34410930), (10, 27528744), (12, 22940620), (15, 18352496), (16, 17205465), (20, 13764372), (24, 11470310), (30, 9176248), (31, 8880240), (40, 6882186), (48, 5735155), (60, 4588124), (62, 4440120), (80, 3441093), (93, 2960080), (120, 2294062), (124, 2220060), (155, 1776048), (163, 1688880), (186, 1480040), (227, 1212720), (240, 1147031), (248, 1110030), (310, 888024), (326, 844440), (372, 740020), (454, 606360), (465, 592016), (489, 562960), (496, 555015), (620, 444012), (652, 422220), (681, 404240), (744, 370010), (815, 337776), (908, 303180), (930, 296008), (978, 281480), (1135, 242544), (1240, 222006), (1304, 211110), (1362, 202120), (1488, 185005), (1630, 168888), (1816, 151590), (1860, 148004), (1956, 140740), (2270, 121272), (2445, 112592), (2480, 111003), (2608, 105555), (2724, 101060), (3260, 84444), (3405, 80848), (3632, 75795), (3720, 74002), (3912, 70370), (4540, 60636), (4890, 56296), (5053, 54480), (5448, 50530), (6520, 42222), (6810, 40424), (7037, 39120), (7440, 37001), (7824, 35185), (9080, 30318), (9780, 28148), (10106, 27240), (10896, 25265), (13040, 21111), (13620, 20212), (14074, 19560), (15159, 18160)]