311696320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1$

素因数の和:2478

約数の個数: 112

約数和(自身を含む): 825447168

約数和(自身を除く): 513750848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2417, 2480, 3224, 4030, 4160, 4834, 4960, 6448, 8060, 9668, 9920, 12085, 12896, 16120, 19336, 24170, 25792, 31421, 32240, 38672, 48340, 62842, 64480, 74927, 77344, 96680, 125684, 128960, 149854, 154688, 157105, 193360, 251368, 299708, 314210, 374635, 386720, 502736, 599416, 628420, 749270, 773440, 974051, 1005472, 1198832, 1256840, 1498540, 1948102, 2010944, 2397664, 2513680, 2997080, 3896204, 4795328, 4870255, 5027360, 5994160, 7792408, 9740510, 10054720, 11988320, 15584816, 19481020, 23976640, 31169632, 38962040, 62339264, 77924080, 155848160, 311696320]

約数ペア:

[(1, 311696320), (2, 155848160), (4, 77924080), (5, 62339264), (8, 38962040), (10, 31169632), (13, 23976640), (16, 19481020), (20, 15584816), (26, 11988320), (31, 10054720), (32, 9740510), (40, 7792408), (52, 5994160), (62, 5027360), (64, 4870255), (65, 4795328), (80, 3896204), (104, 2997080), (124, 2513680), (130, 2397664), (155, 2010944), (160, 1948102), (208, 1498540), (248, 1256840), (260, 1198832), (310, 1005472), (320, 974051), (403, 773440), (416, 749270), (496, 628420), (520, 599416), (620, 502736), (806, 386720), (832, 374635), (992, 314210), (1040, 299708), (1240, 251368), (1612, 193360), (1984, 157105), (2015, 154688), (2080, 149854), (2417, 128960), (2480, 125684), (3224, 96680), (4030, 77344), (4160, 74927), (4834, 64480), (4960, 62842), (6448, 48340), (8060, 38672), (9668, 32240), (9920, 31421), (12085, 25792), (12896, 24170), (16120, 19336)]