217362780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{25693}}^1$

素因数の和:25755

約数の個数: 72

約数和(自身を含む): 673388352

約数和(自身を除く): 456025572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 25693, 51386, 77079, 102772, 128465, 154158, 231237, 256930, 308316, 385395, 462474, 513860, 770790, 924948, 1156185, 1207571, 1541580, 2312370, 2415142, 3622713, 4624740, 4830284, 6037855, 7245426, 10868139, 12075710, 14490852, 18113565, 21736278, 24151420, 36227130, 43472556, 54340695, 72454260, 108681390, 217362780]

約数ペア:

[(1, 217362780), (2, 108681390), (3, 72454260), (4, 54340695), (5, 43472556), (6, 36227130), (9, 24151420), (10, 21736278), (12, 18113565), (15, 14490852), (18, 12075710), (20, 10868139), (30, 7245426), (36, 6037855), (45, 4830284), (47, 4624740), (60, 3622713), (90, 2415142), (94, 2312370), (141, 1541580), (180, 1207571), (188, 1156185), (235, 924948), (282, 770790), (423, 513860), (470, 462474), (564, 385395), (705, 308316), (846, 256930), (940, 231237), (1410, 154158), (1692, 128465), (2115, 102772), (2820, 77079), (4230, 51386), (8460, 25693)]