520078640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{739}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 1277299200

約数和(自身を除く): 757220560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 463, 739, 760, 926, 1478, 1520, 1852, 2315, 2956, 3695, 3704, 4630, 5912, 7390, 7408, 8797, 9260, 11824, 14041, 14780, 17594, 18520, 28082, 29560, 35188, 37040, 43985, 56164, 59120, 70205, 70376, 87970, 112328, 140410, 140752, 175940, 224656, 280820, 342157, 351880, 561640, 684314, 703760, 1123280, 1368628, 1710785, 2737256, 3421570, 5474512, 6500983, 6843140, 13001966, 13686280, 26003932, 27372560, 32504915, 52007864, 65009830, 104015728, 130019660, 260039320, 520078640]

約数ペア:

[(1, 520078640), (2, 260039320), (4, 130019660), (5, 104015728), (8, 65009830), (10, 52007864), (16, 32504915), (19, 27372560), (20, 26003932), (38, 13686280), (40, 13001966), (76, 6843140), (80, 6500983), (95, 5474512), (152, 3421570), (190, 2737256), (304, 1710785), (380, 1368628), (463, 1123280), (739, 703760), (760, 684314), (926, 561640), (1478, 351880), (1520, 342157), (1852, 280820), (2315, 224656), (2956, 175940), (3695, 140752), (3704, 140410), (4630, 112328), (5912, 87970), (7390, 70376), (7408, 70205), (8797, 59120), (9260, 56164), (11824, 43985), (14041, 37040), (14780, 35188), (17594, 29560), (18520, 28082)]