80521812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1847}}^1$

素因数の和:2037

約数の個数: 72

約数和(自身を含む): 234089856

約数和(自身を除く): 153568044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 173, 252, 346, 519, 692, 1038, 1211, 1557, 1847, 2076, 2422, 3114, 3633, 3694, 4844, 5541, 6228, 7266, 7388, 10899, 11082, 12929, 14532, 16623, 21798, 22164, 25858, 33246, 38787, 43596, 51716, 66492, 77574, 116361, 155148, 232722, 319531, 465444, 639062, 958593, 1278124, 1917186, 2236717, 2875779, 3834372, 4473434, 5751558, 6710151, 8946868, 11503116, 13420302, 20130453, 26840604, 40260906, 80521812]

約数ペア:

[(1, 80521812), (2, 40260906), (3, 26840604), (4, 20130453), (6, 13420302), (7, 11503116), (9, 8946868), (12, 6710151), (14, 5751558), (18, 4473434), (21, 3834372), (28, 2875779), (36, 2236717), (42, 1917186), (63, 1278124), (84, 958593), (126, 639062), (173, 465444), (252, 319531), (346, 232722), (519, 155148), (692, 116361), (1038, 77574), (1211, 66492), (1557, 51716), (1847, 43596), (2076, 38787), (2422, 33246), (3114, 25858), (3633, 22164), (3694, 21798), (4844, 16623), (5541, 14532), (6228, 12929), (7266, 11082), (7388, 10899)]