81863006960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4715611}}^1$

素因数の和:4715662

約数の個数: 80

約数和(自身を含む): 224538580992

約数和(自身を除く): 142675574032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 4715611, 9431222, 18862444, 23578055, 33009277, 37724888, 47156110, 66018554, 75449776, 94312220, 132037108, 146183941, 165046385, 188624440, 264074216, 292367882, 330092770, 377248880, 528148432, 584735764, 660185540, 730919705, 1023287587, 1169471528, 1320371080, 1461839410, 2046575174, 2338943056, 2640742160, 2923678820, 4093150348, 5116437935, 5847357640, 8186300696, 10232875870, 11694715280, 16372601392, 20465751740, 40931503480, 81863006960]

約数ペア:

[(1, 81863006960), (2, 40931503480), (4, 20465751740), (5, 16372601392), (7, 11694715280), (8, 10232875870), (10, 8186300696), (14, 5847357640), (16, 5116437935), (20, 4093150348), (28, 2923678820), (31, 2640742160), (35, 2338943056), (40, 2046575174), (56, 1461839410), (62, 1320371080), (70, 1169471528), (80, 1023287587), (112, 730919705), (124, 660185540), (140, 584735764), (155, 528148432), (217, 377248880), (248, 330092770), (280, 292367882), (310, 264074216), (434, 188624440), (496, 165046385), (560, 146183941), (620, 132037108), (868, 94312220), (1085, 75449776), (1240, 66018554), (1736, 47156110), (2170, 37724888), (2480, 33009277), (3472, 23578055), (4340, 18862444), (8680, 9431222), (17360, 4715611)]