51495960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 162201600

約数和(自身を除く): 110705640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 109, 120, 124, 127, 155, 186, 218, 248, 254, 310, 327, 372, 381, 436, 465, 508, 545, 620, 635, 654, 744, 762, 872, 930, 1016, 1090, 1240, 1270, 1308, 1524, 1635, 1860, 1905, 2180, 2540, 2616, 3048, 3270, 3379, 3720, 3810, 3937, 4360, 5080, 6540, 6758, 7620, 7874, 10137, 11811, 13080, 13516, 13843, 15240, 15748, 16895, 19685, 20274, 23622, 27032, 27686, 31496, 33790, 39370, 40548, 41529, 47244, 50685, 55372, 59055, 67580, 69215, 78740, 81096, 83058, 94488, 101370, 110744, 118110, 135160, 138430, 157480, 166116, 202740, 207645, 236220, 276860, 332232, 405480, 415290, 429133, 472440, 553720, 830580, 858266, 1287399, 1661160, 1716532, 2145665, 2574798, 3433064, 4291330, 5149596, 6436995, 8582660, 10299192, 12873990, 17165320, 25747980, 51495960]

約数ペア:

[(1, 51495960), (2, 25747980), (3, 17165320), (4, 12873990), (5, 10299192), (6, 8582660), (8, 6436995), (10, 5149596), (12, 4291330), (15, 3433064), (20, 2574798), (24, 2145665), (30, 1716532), (31, 1661160), (40, 1287399), (60, 858266), (62, 830580), (93, 553720), (109, 472440), (120, 429133), (124, 415290), (127, 405480), (155, 332232), (186, 276860), (218, 236220), (248, 207645), (254, 202740), (310, 166116), (327, 157480), (372, 138430), (381, 135160), (436, 118110), (465, 110744), (508, 101370), (545, 94488), (620, 83058), (635, 81096), (654, 78740), (744, 69215), (762, 67580), (872, 59055), (930, 55372), (1016, 50685), (1090, 47244), (1240, 41529), (1270, 40548), (1308, 39370), (1524, 33790), (1635, 31496), (1860, 27686), (1905, 27032), (2180, 23622), (2540, 20274), (2616, 19685), (3048, 16895), (3270, 15748), (3379, 15240), (3720, 13843), (3810, 13516), (3937, 13080), (4360, 11811), (5080, 10137), (6540, 7874), (6758, 7620)]