64978440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 204664320

約数和(自身を除く): 139685880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 47, 60, 82, 94, 120, 123, 141, 164, 188, 205, 235, 246, 281, 282, 328, 376, 410, 470, 492, 562, 564, 615, 705, 820, 843, 940, 984, 1124, 1128, 1230, 1405, 1410, 1640, 1686, 1880, 1927, 2248, 2460, 2810, 2820, 3372, 3854, 4215, 4920, 5620, 5640, 5781, 6744, 7708, 8430, 9635, 11240, 11521, 11562, 13207, 15416, 16860, 19270, 23042, 23124, 26414, 28905, 33720, 34563, 38540, 39621, 46084, 46248, 52828, 57605, 57810, 66035, 69126, 77080, 79242, 92168, 105656, 115210, 115620, 132070, 138252, 158484, 172815, 198105, 230420, 231240, 264140, 276504, 316968, 345630, 396210, 460840, 528280, 541487, 691260, 792420, 1082974, 1382520, 1584840, 1624461, 2165948, 2707435, 3248922, 4331896, 5414870, 6497844, 8122305, 10829740, 12995688, 16244610, 21659480, 32489220, 64978440]

約数ペア:

[(1, 64978440), (2, 32489220), (3, 21659480), (4, 16244610), (5, 12995688), (6, 10829740), (8, 8122305), (10, 6497844), (12, 5414870), (15, 4331896), (20, 3248922), (24, 2707435), (30, 2165948), (40, 1624461), (41, 1584840), (47, 1382520), (60, 1082974), (82, 792420), (94, 691260), (120, 541487), (123, 528280), (141, 460840), (164, 396210), (188, 345630), (205, 316968), (235, 276504), (246, 264140), (281, 231240), (282, 230420), (328, 198105), (376, 172815), (410, 158484), (470, 138252), (492, 132070), (562, 115620), (564, 115210), (615, 105656), (705, 92168), (820, 79242), (843, 77080), (940, 69126), (984, 66035), (1124, 57810), (1128, 57605), (1230, 52828), (1405, 46248), (1410, 46084), (1640, 39621), (1686, 38540), (1880, 34563), (1927, 33720), (2248, 28905), (2460, 26414), (2810, 23124), (2820, 23042), (3372, 19270), (3854, 16860), (4215, 15416), (4920, 13207), (5620, 11562), (5640, 11521), (5781, 11240), (6744, 9635), (7708, 8430)]