78994720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 214897536

約数和(自身を除く): 135902816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 251, 280, 281, 502, 560, 562, 1004, 1120, 1124, 1255, 1405, 1757, 1967, 2008, 2248, 2510, 2810, 3514, 3934, 4016, 4496, 5020, 5620, 7028, 7868, 8032, 8785, 8992, 9835, 10040, 11240, 14056, 15736, 17570, 19670, 20080, 22480, 28112, 31472, 35140, 39340, 40160, 44960, 56224, 62944, 70280, 70531, 78680, 140560, 141062, 157360, 281120, 282124, 314720, 352655, 493717, 564248, 705310, 987434, 1128496, 1410620, 1974868, 2256992, 2468585, 2821240, 3949736, 4937170, 5642480, 7899472, 9874340, 11284960, 15798944, 19748680, 39497360, 78994720]

約数ペア:

[(1, 78994720), (2, 39497360), (4, 19748680), (5, 15798944), (7, 11284960), (8, 9874340), (10, 7899472), (14, 5642480), (16, 4937170), (20, 3949736), (28, 2821240), (32, 2468585), (35, 2256992), (40, 1974868), (56, 1410620), (70, 1128496), (80, 987434), (112, 705310), (140, 564248), (160, 493717), (224, 352655), (251, 314720), (280, 282124), (281, 281120), (502, 157360), (560, 141062), (562, 140560), (1004, 78680), (1120, 70531), (1124, 70280), (1255, 62944), (1405, 56224), (1757, 44960), (1967, 40160), (2008, 39340), (2248, 35140), (2510, 31472), (2810, 28112), (3514, 22480), (3934, 20080), (4016, 19670), (4496, 17570), (5020, 15736), (5620, 14056), (7028, 11240), (7868, 10040), (8032, 9835), (8785, 8992)]