217485180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109841}}^1$

素因数の和:109867

約数の個数: 72

約数和(自身を含む): 719684784

約数和(自身を除く): 502199604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 109841, 219682, 329523, 439364, 549205, 659046, 988569, 1098410, 1208251, 1318092, 1647615, 1977138, 2196820, 2416502, 3295230, 3624753, 3954276, 4833004, 4942845, 6041255, 6590460, 7249506, 9885690, 10874259, 12082510, 14499012, 18123765, 19771380, 21748518, 24165020, 36247530, 43497036, 54371295, 72495060, 108742590, 217485180]

約数ペア:

[(1, 217485180), (2, 108742590), (3, 72495060), (4, 54371295), (5, 43497036), (6, 36247530), (9, 24165020), (10, 21748518), (11, 19771380), (12, 18123765), (15, 14499012), (18, 12082510), (20, 10874259), (22, 9885690), (30, 7249506), (33, 6590460), (36, 6041255), (44, 4942845), (45, 4833004), (55, 3954276), (60, 3624753), (66, 3295230), (90, 2416502), (99, 2196820), (110, 1977138), (132, 1647615), (165, 1318092), (180, 1208251), (198, 1098410), (220, 988569), (330, 659046), (396, 549205), (495, 439364), (660, 329523), (990, 219682), (1980, 109841)]