257496660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8269}}^1$

素因数の和:8457

約数の個数: 72

約数和(自身を含む): 785683080

約数和(自身を除く): 528186420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 7785, 8269, 10380, 15570, 16538, 24807, 31140, 33076, 41345, 49614, 74421, 82690, 99228, 124035, 148842, 165380, 248070, 297684, 372105, 496140, 744210, 1430537, 1488420, 2861074, 4291611, 5722148, 7152685, 8583222, 12874833, 14305370, 17166444, 21458055, 25749666, 28610740, 42916110, 51499332, 64374165, 85832220, 128748330, 257496660]

約数ペア:

[(1, 257496660), (2, 128748330), (3, 85832220), (4, 64374165), (5, 51499332), (6, 42916110), (9, 28610740), (10, 25749666), (12, 21458055), (15, 17166444), (18, 14305370), (20, 12874833), (30, 8583222), (36, 7152685), (45, 5722148), (60, 4291611), (90, 2861074), (173, 1488420), (180, 1430537), (346, 744210), (519, 496140), (692, 372105), (865, 297684), (1038, 248070), (1557, 165380), (1730, 148842), (2076, 124035), (2595, 99228), (3114, 82690), (3460, 74421), (5190, 49614), (6228, 41345), (7785, 33076), (8269, 31140), (10380, 24807), (15570, 16538)]