64044760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 166924800

約数和(自身を除く): 102880040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 31, 40, 52, 58, 62, 65, 104, 116, 124, 130, 137, 145, 155, 232, 248, 260, 274, 290, 310, 377, 403, 520, 548, 580, 620, 685, 754, 806, 899, 1096, 1160, 1240, 1370, 1508, 1612, 1781, 1798, 1885, 2015, 2740, 3016, 3224, 3562, 3596, 3770, 3973, 4030, 4247, 4495, 5480, 7124, 7192, 7540, 7946, 8060, 8494, 8905, 8990, 11687, 14248, 15080, 15892, 16120, 16988, 17810, 17980, 19865, 21235, 23374, 31784, 33976, 35620, 35960, 39730, 42470, 46748, 51649, 55211, 58435, 71240, 79460, 84940, 93496, 103298, 110422, 116870, 123163, 158920, 169880, 206596, 220844, 233740, 246326, 258245, 276055, 413192, 441688, 467480, 492652, 516490, 552110, 615815, 985304, 1032980, 1104220, 1231630, 1601119, 2065960, 2208440, 2463260, 3202238, 4926520, 6404476, 8005595, 12808952, 16011190, 32022380, 64044760]

約数ペア:

[(1, 64044760), (2, 32022380), (4, 16011190), (5, 12808952), (8, 8005595), (10, 6404476), (13, 4926520), (20, 3202238), (26, 2463260), (29, 2208440), (31, 2065960), (40, 1601119), (52, 1231630), (58, 1104220), (62, 1032980), (65, 985304), (104, 615815), (116, 552110), (124, 516490), (130, 492652), (137, 467480), (145, 441688), (155, 413192), (232, 276055), (248, 258245), (260, 246326), (274, 233740), (290, 220844), (310, 206596), (377, 169880), (403, 158920), (520, 123163), (548, 116870), (580, 110422), (620, 103298), (685, 93496), (754, 84940), (806, 79460), (899, 71240), (1096, 58435), (1160, 55211), (1240, 51649), (1370, 46748), (1508, 42470), (1612, 39730), (1781, 35960), (1798, 35620), (1885, 33976), (2015, 31784), (2740, 23374), (3016, 21235), (3224, 19865), (3562, 17980), (3596, 17810), (3770, 16988), (3973, 16120), (4030, 15892), (4247, 15080), (4495, 14248), (5480, 11687), (7124, 8990), (7192, 8905), (7540, 8494), (7946, 8060)]