81225870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5237}}^1$

素因数の和:5305

約数の個数: 64

約数和(自身を含む): 217230336

約数和(自身を除く): 136004466

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 141, 165, 235, 282, 330, 470, 517, 705, 1034, 1410, 1551, 2585, 3102, 5170, 5237, 7755, 10474, 15510, 15711, 26185, 31422, 52370, 57607, 78555, 115214, 157110, 172821, 246139, 288035, 345642, 492278, 576070, 738417, 864105, 1230695, 1476834, 1728210, 2461390, 2707529, 3692085, 5415058, 7384170, 8122587, 13537645, 16245174, 27075290, 40612935, 81225870]

約数ペア:

[(1, 81225870), (2, 40612935), (3, 27075290), (5, 16245174), (6, 13537645), (10, 8122587), (11, 7384170), (15, 5415058), (22, 3692085), (30, 2707529), (33, 2461390), (47, 1728210), (55, 1476834), (66, 1230695), (94, 864105), (110, 738417), (141, 576070), (165, 492278), (235, 345642), (282, 288035), (330, 246139), (470, 172821), (517, 157110), (705, 115214), (1034, 78555), (1410, 57607), (1551, 52370), (2585, 31422), (3102, 26185), (5170, 15711), (5237, 15510), (7755, 10474)]