81116460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14537}}^1$

素因数の和:14583

約数の個数: 72

約数和(自身を含む): 254007936

約数和(自身を除く): 172891476

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, 14537, 29074, 43611, 58148, 72685, 87222, 130833, 145370, 174444, 218055, 261666, 290740, 436110, 450647, 523332, 654165, 872220, 901294, 1308330, 1351941, 1802588, 2253235, 2616660, 2703882, 4055823, 4506470, 5407764, 6759705, 8111646, 9012940, 13519410, 16223292, 20279115, 27038820, 40558230, 81116460]

約数ペア:

[(1, 81116460), (2, 40558230), (3, 27038820), (4, 20279115), (5, 16223292), (6, 13519410), (9, 9012940), (10, 8111646), (12, 6759705), (15, 5407764), (18, 4506470), (20, 4055823), (30, 2703882), (31, 2616660), (36, 2253235), (45, 1802588), (60, 1351941), (62, 1308330), (90, 901294), (93, 872220), (124, 654165), (155, 523332), (180, 450647), (186, 436110), (279, 290740), (310, 261666), (372, 218055), (465, 174444), (558, 145370), (620, 130833), (930, 87222), (1116, 72685), (1395, 58148), (1860, 43611), (2790, 29074), (5580, 14537)]