21978480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91577}}^1$

素因数の和:91593

約数の個数: 40

約数和(自身を含む): 68134032

約数和(自身を除く): 46155552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91577, 183154, 274731, 366308, 457885, 549462, 732616, 915770, 1098924, 1373655, 1465232, 1831540, 2197848, 2747310, 3663080, 4395696, 5494620, 7326160, 10989240, 21978480]

約数ペア:

[(1, 21978480), (2, 10989240), (3, 7326160), (4, 5494620), (5, 4395696), (6, 3663080), (8, 2747310), (10, 2197848), (12, 1831540), (15, 1465232), (16, 1373655), (20, 1098924), (24, 915770), (30, 732616), (40, 549462), (48, 457885), (60, 366308), (80, 274731), (120, 183154), (240, 91577)]