278291280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2381}}^1$

素因数の和:2884

約数の個数: 80

約数和(自身を含む): 864837504

約数和(自身を除く): 586546224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 487, 974, 1461, 1948, 2381, 2435, 2922, 3896, 4762, 4870, 5844, 7143, 7305, 7792, 9524, 9740, 11688, 11905, 14286, 14610, 19048, 19480, 23376, 23810, 28572, 29220, 35715, 38096, 38960, 47620, 57144, 58440, 71430, 95240, 114288, 116880, 142860, 190480, 285720, 571440, 1159547, 2319094, 3478641, 4638188, 5797735, 6957282, 9276376, 11595470, 13914564, 17393205, 18552752, 23190940, 27829128, 34786410, 46381880, 55658256, 69572820, 92763760, 139145640, 278291280]

約数ペア:

[(1, 278291280), (2, 139145640), (3, 92763760), (4, 69572820), (5, 55658256), (6, 46381880), (8, 34786410), (10, 27829128), (12, 23190940), (15, 18552752), (16, 17393205), (20, 13914564), (24, 11595470), (30, 9276376), (40, 6957282), (48, 5797735), (60, 4638188), (80, 3478641), (120, 2319094), (240, 1159547), (487, 571440), (974, 285720), (1461, 190480), (1948, 142860), (2381, 116880), (2435, 114288), (2922, 95240), (3896, 71430), (4762, 58440), (4870, 57144), (5844, 47620), (7143, 38960), (7305, 38096), (7792, 35715), (9524, 29220), (9740, 28572), (11688, 23810), (11905, 23376), (14286, 19480), (14610, 19048)]