21981917040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{167443}}^1$

素因数の和:168006

約数の個数: 80

約数和(自身を含む): 68268928128

約数和(自身を除く): 46287011088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 547, 1094, 1641, 2188, 2735, 3282, 4376, 5470, 6564, 8205, 8752, 10940, 13128, 16410, 21880, 26256, 32820, 43760, 65640, 131280, 167443, 334886, 502329, 669772, 837215, 1004658, 1339544, 1674430, 2009316, 2511645, 2679088, 3348860, 4018632, 5023290, 6697720, 8037264, 10046580, 13395440, 20093160, 40186320, 91591321, 183182642, 274773963, 366365284, 457956605, 549547926, 732730568, 915913210, 1099095852, 1373869815, 1465461136, 1831826420, 2198191704, 2747739630, 3663652840, 4396383408, 5495479260, 7327305680, 10990958520, 21981917040]

約数ペア:

[(1, 21981917040), (2, 10990958520), (3, 7327305680), (4, 5495479260), (5, 4396383408), (6, 3663652840), (8, 2747739630), (10, 2198191704), (12, 1831826420), (15, 1465461136), (16, 1373869815), (20, 1099095852), (24, 915913210), (30, 732730568), (40, 549547926), (48, 457956605), (60, 366365284), (80, 274773963), (120, 183182642), (240, 91591321), (547, 40186320), (1094, 20093160), (1641, 13395440), (2188, 10046580), (2735, 8037264), (3282, 6697720), (4376, 5023290), (5470, 4018632), (6564, 3348860), (8205, 2679088), (8752, 2511645), (10940, 2009316), (13128, 1674430), (16410, 1339544), (21880, 1004658), (26256, 837215), (32820, 669772), (43760, 502329), (65640, 334886), (131280, 167443)]