81209760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{461}}^1$

素因数の和:846

約数の個数: 96

約数和(自身を含む): 257064192

約数和(自身を除く): 175854432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 367, 461, 480, 734, 922, 1101, 1383, 1468, 1835, 1844, 2202, 2305, 2766, 2936, 3670, 3688, 4404, 4610, 5505, 5532, 5872, 6915, 7340, 7376, 8808, 9220, 11010, 11064, 11744, 13830, 14680, 14752, 17616, 18440, 22020, 22128, 27660, 29360, 35232, 36880, 44040, 44256, 55320, 58720, 73760, 88080, 110640, 169187, 176160, 221280, 338374, 507561, 676748, 845935, 1015122, 1353496, 1691870, 2030244, 2537805, 2706992, 3383740, 4060488, 5075610, 5413984, 6767480, 8120976, 10151220, 13534960, 16241952, 20302440, 27069920, 40604880, 81209760]

約数ペア:

[(1, 81209760), (2, 40604880), (3, 27069920), (4, 20302440), (5, 16241952), (6, 13534960), (8, 10151220), (10, 8120976), (12, 6767480), (15, 5413984), (16, 5075610), (20, 4060488), (24, 3383740), (30, 2706992), (32, 2537805), (40, 2030244), (48, 1691870), (60, 1353496), (80, 1015122), (96, 845935), (120, 676748), (160, 507561), (240, 338374), (367, 221280), (461, 176160), (480, 169187), (734, 110640), (922, 88080), (1101, 73760), (1383, 58720), (1468, 55320), (1835, 44256), (1844, 44040), (2202, 36880), (2305, 35232), (2766, 29360), (2936, 27660), (3670, 22128), (3688, 22020), (4404, 18440), (4610, 17616), (5505, 14752), (5532, 14680), (5872, 13830), (6915, 11744), (7340, 11064), (7376, 11010), (8808, 9220)]