81377760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8923}}^1$

素因数の和:8960

約数の個数: 96

約数和(自身を含む): 269861760

約数和(自身を除く): 188484000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 8923, 9120, 17846, 26769, 35692, 44615, 53538, 71384, 89230, 107076, 133845, 142768, 169537, 178460, 214152, 267690, 285536, 339074, 356920, 428304, 508611, 535380, 678148, 713840, 847685, 856608, 1017222, 1070760, 1356296, 1427680, 1695370, 2034444, 2141520, 2543055, 2712592, 3390740, 4068888, 4283040, 5086110, 5425184, 6781480, 8137776, 10172220, 13562960, 16275552, 20344440, 27125920, 40688880, 81377760]

約数ペア:

[(1, 81377760), (2, 40688880), (3, 27125920), (4, 20344440), (5, 16275552), (6, 13562960), (8, 10172220), (10, 8137776), (12, 6781480), (15, 5425184), (16, 5086110), (19, 4283040), (20, 4068888), (24, 3390740), (30, 2712592), (32, 2543055), (38, 2141520), (40, 2034444), (48, 1695370), (57, 1427680), (60, 1356296), (76, 1070760), (80, 1017222), (95, 856608), (96, 847685), (114, 713840), (120, 678148), (152, 535380), (160, 508611), (190, 428304), (228, 356920), (240, 339074), (285, 285536), (304, 267690), (380, 214152), (456, 178460), (480, 169537), (570, 142768), (608, 133845), (760, 107076), (912, 89230), (1140, 71384), (1520, 53538), (1824, 44615), (2280, 35692), (3040, 26769), (4560, 17846), (8923, 9120)]