1313894080

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7038

約数の個数: 112

約数和(自身を含む): 3400104960

約数和(自身を除く): 2086210880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1178, 1216, 1240, 1520, 1984, 2356, 2480, 2945, 3040, 4712, 4960, 5890, 6080, 6971, 9424, 9920, 11780, 13942, 18848, 23560, 27884, 34855, 37696, 47120, 55768, 69710, 94240, 111536, 132449, 139420, 188480, 216101, 223072, 264898, 278840, 432202, 446144, 529796, 557680, 662245, 864404, 1059592, 1080505, 1115360, 1324490, 1728808, 2119184, 2161010, 2230720, 2648980, 3457616, 4105919, 4238368, 4322020, 5297960, 6915232, 8211838, 8476736, 8644040, 10595920, 13830464, 16423676, 17288080, 20529595, 21191840, 32847352, 34576160, 41059190, 42383680, 65694704, 69152320, 82118380, 131389408, 164236760, 262778816, 328473520, 656947040, 1313894080]

約数ペア:

[(1, 1313894080), (2, 656947040), (4, 328473520), (5, 262778816), (8, 164236760), (10, 131389408), (16, 82118380), (19, 69152320), (20, 65694704), (31, 42383680), (32, 41059190), (38, 34576160), (40, 32847352), (62, 21191840), (64, 20529595), (76, 17288080), (80, 16423676), (95, 13830464), (124, 10595920), (152, 8644040), (155, 8476736), (160, 8211838), (190, 6915232), (248, 5297960), (304, 4322020), (310, 4238368), (320, 4105919), (380, 3457616), (496, 2648980), (589, 2230720), (608, 2161010), (620, 2119184), (760, 1728808), (992, 1324490), (1178, 1115360), (1216, 1080505), (1240, 1059592), (1520, 864404), (1984, 662245), (2356, 557680), (2480, 529796), (2945, 446144), (3040, 432202), (4712, 278840), (4960, 264898), (5890, 223072), (6080, 216101), (6971, 188480), (9424, 139420), (9920, 132449), (11780, 111536), (13942, 94240), (18848, 69710), (23560, 55768), (27884, 47120), (34855, 37696)]