198918840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20983}}^1$

素因数の和:21076

約数の個数: 64

約数和(自身を含む): 604339200

約数和(自身を除く): 405420360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 20983, 41966, 62949, 83932, 104915, 125898, 167864, 209830, 251796, 314745, 419660, 503592, 629490, 839320, 1258980, 1657657, 2517960, 3315314, 4972971, 6630628, 8288285, 9945942, 13261256, 16576570, 19891884, 24864855, 33153140, 39783768, 49729710, 66306280, 99459420, 198918840]

約数ペア:

[(1, 198918840), (2, 99459420), (3, 66306280), (4, 49729710), (5, 39783768), (6, 33153140), (8, 24864855), (10, 19891884), (12, 16576570), (15, 13261256), (20, 9945942), (24, 8288285), (30, 6630628), (40, 4972971), (60, 3315314), (79, 2517960), (120, 1657657), (158, 1258980), (237, 839320), (316, 629490), (395, 503592), (474, 419660), (632, 314745), (790, 251796), (948, 209830), (1185, 167864), (1580, 125898), (1896, 104915), (2370, 83932), (3160, 62949), (4740, 41966), (9480, 20983)]