180550520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{491}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 422431200

約数和(自身を除く): 241880680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 317, 491, 580, 634, 982, 1160, 1268, 1585, 1964, 2455, 2536, 3170, 3928, 4910, 6340, 9193, 9820, 12680, 14239, 18386, 19640, 28478, 36772, 45965, 56956, 71195, 73544, 91930, 113912, 142390, 155647, 183860, 284780, 311294, 367720, 569560, 622588, 778235, 1245176, 1556470, 3112940, 4513763, 6225880, 9027526, 18055052, 22568815, 36110104, 45137630, 90275260, 180550520]

約数ペア:

[(1, 180550520), (2, 90275260), (4, 45137630), (5, 36110104), (8, 22568815), (10, 18055052), (20, 9027526), (29, 6225880), (40, 4513763), (58, 3112940), (116, 1556470), (145, 1245176), (232, 778235), (290, 622588), (317, 569560), (491, 367720), (580, 311294), (634, 284780), (982, 183860), (1160, 155647), (1268, 142390), (1585, 113912), (1964, 91930), (2455, 73544), (2536, 71195), (3170, 56956), (3928, 45965), (4910, 36772), (6340, 28478), (9193, 19640), (9820, 18386), (12680, 14239)]