217804920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16963}}^1$

素因数の和:17084

約数の個数: 64

約数和(自身を含む): 659560320

約数和(自身を除く): 441755400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 16963, 33926, 50889, 67852, 84815, 101778, 135704, 169630, 203556, 254445, 339260, 407112, 508890, 678520, 1017780, 1815041, 2035560, 3630082, 5445123, 7260164, 9075205, 10890246, 14520328, 18150410, 21780492, 27225615, 36300820, 43560984, 54451230, 72601640, 108902460, 217804920]

約数ペア:

[(1, 217804920), (2, 108902460), (3, 72601640), (4, 54451230), (5, 43560984), (6, 36300820), (8, 27225615), (10, 21780492), (12, 18150410), (15, 14520328), (20, 10890246), (24, 9075205), (30, 7260164), (40, 5445123), (60, 3630082), (107, 2035560), (120, 1815041), (214, 1017780), (321, 678520), (428, 508890), (535, 407112), (642, 339260), (856, 254445), (1070, 203556), (1284, 169630), (1605, 135704), (2140, 101778), (2568, 84815), (3210, 67852), (4280, 50889), (6420, 33926), (12840, 16963)]