81996420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{439}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 251919360

約数和(自身を除く): 169922940

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 283, 330, 439, 566, 660, 849, 878, 1132, 1317, 1415, 1698, 1756, 2195, 2634, 2830, 3113, 3396, 4245, 4390, 4829, 5268, 5660, 6226, 6585, 8490, 8780, 9339, 9658, 12452, 13170, 14487, 15565, 16980, 18678, 19316, 24145, 26340, 28974, 31130, 37356, 46695, 48290, 57948, 62260, 72435, 93390, 96580, 124237, 144870, 186780, 248474, 289740, 372711, 496948, 621185, 745422, 1242370, 1366607, 1490844, 1863555, 2484740, 2733214, 3727110, 4099821, 5466428, 6833035, 7454220, 8199642, 13666070, 16399284, 20499105, 27332140, 40998210, 81996420]

約数ペア:

[(1, 81996420), (2, 40998210), (3, 27332140), (4, 20499105), (5, 16399284), (6, 13666070), (10, 8199642), (11, 7454220), (12, 6833035), (15, 5466428), (20, 4099821), (22, 3727110), (30, 2733214), (33, 2484740), (44, 1863555), (55, 1490844), (60, 1366607), (66, 1242370), (110, 745422), (132, 621185), (165, 496948), (220, 372711), (283, 289740), (330, 248474), (439, 186780), (566, 144870), (660, 124237), (849, 96580), (878, 93390), (1132, 72435), (1317, 62260), (1415, 57948), (1698, 48290), (1756, 46695), (2195, 37356), (2634, 31130), (2830, 28974), (3113, 26340), (3396, 24145), (4245, 19316), (4390, 18678), (4829, 16980), (5268, 15565), (5660, 14487), (6226, 13170), (6585, 12452), (8490, 9658), (8780, 9339)]