61777360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 153115200

約数和(自身を除く): 91337840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 419, 485, 760, 776, 838, 970, 1520, 1552, 1676, 1843, 1940, 2095, 3352, 3686, 3880, 4190, 6704, 7372, 7760, 7961, 8380, 9215, 14744, 15922, 16760, 18430, 29488, 31844, 33520, 36860, 39805, 40643, 63688, 73720, 79610, 81286, 127376, 147440, 159220, 162572, 203215, 318440, 325144, 406430, 636880, 650288, 772217, 812860, 1544434, 1625720, 3088868, 3251440, 3861085, 6177736, 7722170, 12355472, 15444340, 30888680, 61777360]

約数ペア:

[(1, 61777360), (2, 30888680), (4, 15444340), (5, 12355472), (8, 7722170), (10, 6177736), (16, 3861085), (19, 3251440), (20, 3088868), (38, 1625720), (40, 1544434), (76, 812860), (80, 772217), (95, 650288), (97, 636880), (152, 406430), (190, 325144), (194, 318440), (304, 203215), (380, 162572), (388, 159220), (419, 147440), (485, 127376), (760, 81286), (776, 79610), (838, 73720), (970, 63688), (1520, 40643), (1552, 39805), (1676, 36860), (1843, 33520), (1940, 31844), (2095, 29488), (3352, 18430), (3686, 16760), (3880, 15922), (4190, 14744), (6704, 9215), (7372, 8380), (7760, 7961)]