81194580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14551}}^1$

素因数の和:14597

約数の個数: 72

約数和(自身を含む): 254252544

約数和(自身を除く): 173057964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 14551, 29102, 43653, 58204, 72755, 87306, 130959, 145510, 174612, 218265, 261918, 291020, 436530, 451081, 523836, 654795, 873060, 902162, 1309590, 1353243, 1804324, 2255405, 2619180, 2706486, 4059729, 4510810, 5412972, 6766215, 8119458, 9021620, 13532430, 16238916, 20298645, 27064860, 40597290, 81194580]

約数ペア:

[(1, 81194580), (2, 40597290), (3, 27064860), (4, 20298645), (5, 16238916), (6, 13532430), (9, 9021620), (10, 8119458), (12, 6766215), (15, 5412972), (18, 4510810), (20, 4059729), (30, 2706486), (31, 2619180), (36, 2255405), (45, 1804324), (60, 1353243), (62, 1309590), (90, 902162), (93, 873060), (124, 654795), (155, 523836), (180, 451081), (186, 436530), (279, 291020), (310, 261918), (372, 218265), (465, 174612), (558, 145510), (620, 130959), (930, 87306), (1116, 72755), (1395, 58204), (1860, 43653), (2790, 29102), (5580, 14551)]