165540760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 471536640

約数和(自身を除く): 305995880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 440, 497, 568, 616, 710, 757, 770, 781, 994, 1420, 1514, 1540, 1562, 1988, 2485, 2840, 3028, 3080, 3124, 3785, 3905, 3976, 4970, 5299, 5467, 6056, 6248, 7570, 7810, 8327, 9940, 10598, 10934, 15140, 15620, 16654, 19880, 21196, 21868, 26495, 27335, 30280, 31240, 33308, 41635, 42392, 43736, 52990, 53747, 54670, 58289, 66616, 83270, 105980, 107494, 109340, 116578, 166540, 211960, 214988, 218680, 233156, 268735, 291445, 333080, 376229, 429976, 466312, 537470, 582890, 591217, 752458, 1074940, 1165780, 1182434, 1504916, 1881145, 2149880, 2331560, 2364868, 2956085, 3009832, 3762290, 4138519, 4729736, 5912170, 7524580, 8277038, 11824340, 15049160, 16554076, 20692595, 23648680, 33108152, 41385190, 82770380, 165540760]

約数ペア:

[(1, 165540760), (2, 82770380), (4, 41385190), (5, 33108152), (7, 23648680), (8, 20692595), (10, 16554076), (11, 15049160), (14, 11824340), (20, 8277038), (22, 7524580), (28, 5912170), (35, 4729736), (40, 4138519), (44, 3762290), (55, 3009832), (56, 2956085), (70, 2364868), (71, 2331560), (77, 2149880), (88, 1881145), (110, 1504916), (140, 1182434), (142, 1165780), (154, 1074940), (220, 752458), (280, 591217), (284, 582890), (308, 537470), (355, 466312), (385, 429976), (440, 376229), (497, 333080), (568, 291445), (616, 268735), (710, 233156), (757, 218680), (770, 214988), (781, 211960), (994, 166540), (1420, 116578), (1514, 109340), (1540, 107494), (1562, 105980), (1988, 83270), (2485, 66616), (2840, 58289), (3028, 54670), (3080, 53747), (3124, 52990), (3785, 43736), (3905, 42392), (3976, 41635), (4970, 33308), (5299, 31240), (5467, 30280), (6056, 27335), (6248, 26495), (7570, 21868), (7810, 21196), (8327, 19880), (9940, 16654), (10598, 15620), (10934, 15140)]