161411220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11351}}^1$

素因数の和:11445

約数の個数: 72

約数和(自身を含む): 495855360

約数和(自身を除く): 334444140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 11351, 14220, 22702, 34053, 45404, 56755, 68106, 102159, 113510, 136212, 170265, 204318, 227020, 340530, 408636, 510795, 681060, 896729, 1021590, 1793458, 2043180, 2690187, 3586916, 4483645, 5380374, 8070561, 8967290, 10760748, 13450935, 16141122, 17934580, 26901870, 32282244, 40352805, 53803740, 80705610, 161411220]

約数ペア:

[(1, 161411220), (2, 80705610), (3, 53803740), (4, 40352805), (5, 32282244), (6, 26901870), (9, 17934580), (10, 16141122), (12, 13450935), (15, 10760748), (18, 8967290), (20, 8070561), (30, 5380374), (36, 4483645), (45, 3586916), (60, 2690187), (79, 2043180), (90, 1793458), (158, 1021590), (180, 896729), (237, 681060), (316, 510795), (395, 408636), (474, 340530), (711, 227020), (790, 204318), (948, 170265), (1185, 136212), (1422, 113510), (1580, 102159), (2370, 68106), (2844, 56755), (3555, 45404), (4740, 34053), (7110, 22702), (11351, 14220)]