180521680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 438971904

約数和(自身を除く): 258450224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 496, 620, 664, 830, 877, 1240, 1328, 1660, 1754, 2480, 2573, 3320, 3508, 4385, 5146, 6640, 7016, 8770, 10292, 12865, 14032, 17540, 20584, 25730, 27187, 35080, 41168, 51460, 54374, 70160, 72791, 102920, 108748, 135935, 145582, 205840, 217496, 271870, 291164, 363955, 434992, 543740, 582328, 727910, 1087480, 1164656, 1455820, 2174960, 2256521, 2911640, 4513042, 5823280, 9026084, 11282605, 18052168, 22565210, 36104336, 45130420, 90260840, 180521680]

約数ペア:

[(1, 180521680), (2, 90260840), (4, 45130420), (5, 36104336), (8, 22565210), (10, 18052168), (16, 11282605), (20, 9026084), (31, 5823280), (40, 4513042), (62, 2911640), (80, 2256521), (83, 2174960), (124, 1455820), (155, 1164656), (166, 1087480), (248, 727910), (310, 582328), (332, 543740), (415, 434992), (496, 363955), (620, 291164), (664, 271870), (830, 217496), (877, 205840), (1240, 145582), (1328, 135935), (1660, 108748), (1754, 102920), (2480, 72791), (2573, 70160), (3320, 54374), (3508, 51460), (4385, 41168), (5146, 35080), (6640, 27187), (7016, 25730), (8770, 20584), (10292, 17540), (12865, 14032)]