255320960

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:824

約数の個数: 128

約数和(自身を含む): 668010240

約数和(自身を除く): 412689280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 640, 680, 757, 992, 1054, 1088, 1240, 1360, 1514, 1984, 2108, 2176, 2480, 2635, 2720, 3028, 3785, 3968, 4216, 4960, 5270, 5440, 6056, 7570, 8432, 9920, 10540, 10880, 12112, 12869, 15140, 16864, 19840, 21080, 23467, 24224, 25738, 30280, 33728, 42160, 46934, 48448, 51476, 60560, 64345, 67456, 84320, 93868, 96896, 102952, 117335, 121120, 128690, 168640, 187736, 205904, 234670, 242240, 257380, 337280, 375472, 398939, 411808, 469340, 484480, 514760, 750944, 797878, 823616, 938680, 1029520, 1501888, 1595756, 1647232, 1877360, 1994695, 2059040, 3003776, 3191512, 3754720, 3989390, 4118080, 6383024, 7509440, 7978780, 8236160, 12766048, 15018880, 15957560, 25532096, 31915120, 51064192, 63830240, 127660480, 255320960]

約数ペア:

[(1, 255320960), (2, 127660480), (4, 63830240), (5, 51064192), (8, 31915120), (10, 25532096), (16, 15957560), (17, 15018880), (20, 12766048), (31, 8236160), (32, 7978780), (34, 7509440), (40, 6383024), (62, 4118080), (64, 3989390), (68, 3754720), (80, 3191512), (85, 3003776), (124, 2059040), (128, 1994695), (136, 1877360), (155, 1647232), (160, 1595756), (170, 1501888), (248, 1029520), (272, 938680), (310, 823616), (320, 797878), (340, 750944), (496, 514760), (527, 484480), (544, 469340), (620, 411808), (640, 398939), (680, 375472), (757, 337280), (992, 257380), (1054, 242240), (1088, 234670), (1240, 205904), (1360, 187736), (1514, 168640), (1984, 128690), (2108, 121120), (2176, 117335), (2480, 102952), (2635, 96896), (2720, 93868), (3028, 84320), (3785, 67456), (3968, 64345), (4216, 60560), (4960, 51476), (5270, 48448), (5440, 46934), (6056, 42160), (7570, 33728), (8432, 30280), (9920, 25738), (10540, 24224), (10880, 23467), (12112, 21080), (12869, 19840), (15140, 16864)]