165207680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 128

約数和(自身を含む): 445340160

約数和(自身を除く): 280132480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 757, 880, 992, 1240, 1364, 1408, 1514, 1705, 1760, 1984, 2480, 2728, 3028, 3410, 3520, 3785, 3968, 4960, 5456, 6056, 6820, 7040, 7570, 8327, 9920, 10912, 12112, 13640, 15140, 16654, 19840, 21824, 23467, 24224, 27280, 30280, 33308, 41635, 43648, 46934, 48448, 54560, 60560, 66616, 83270, 93868, 96896, 109120, 117335, 121120, 133232, 166540, 187736, 218240, 234670, 242240, 258137, 266464, 333080, 375472, 469340, 484480, 516274, 532928, 666160, 750944, 938680, 1032548, 1065856, 1290685, 1332320, 1501888, 1877360, 2065096, 2581370, 2664640, 3003776, 3754720, 4130192, 5162740, 5329280, 7509440, 8260384, 10325480, 15018880, 16520768, 20650960, 33041536, 41301920, 82603840, 165207680]

約数ペア:

[(1, 165207680), (2, 82603840), (4, 41301920), (5, 33041536), (8, 20650960), (10, 16520768), (11, 15018880), (16, 10325480), (20, 8260384), (22, 7509440), (31, 5329280), (32, 5162740), (40, 4130192), (44, 3754720), (55, 3003776), (62, 2664640), (64, 2581370), (80, 2065096), (88, 1877360), (110, 1501888), (124, 1332320), (128, 1290685), (155, 1065856), (160, 1032548), (176, 938680), (220, 750944), (248, 666160), (310, 532928), (320, 516274), (341, 484480), (352, 469340), (440, 375472), (496, 333080), (620, 266464), (640, 258137), (682, 242240), (704, 234670), (757, 218240), (880, 187736), (992, 166540), (1240, 133232), (1364, 121120), (1408, 117335), (1514, 109120), (1705, 96896), (1760, 93868), (1984, 83270), (2480, 66616), (2728, 60560), (3028, 54560), (3410, 48448), (3520, 46934), (3785, 43648), (3968, 41635), (4960, 33308), (5456, 30280), (6056, 27280), (6820, 24224), (7040, 23467), (7570, 21824), (8327, 19840), (9920, 16654), (10912, 15140), (12112, 13640)]