20110512120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1124749}}^1$

素因数の和:1124912

約数の個数: 64

約数和(自身を含む): 60736500000

約数和(自身を除く): 40625987880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2980, 3576, 4470, 5960, 8940, 17880, 1124749, 2249498, 3374247, 4498996, 5623745, 6748494, 8997992, 11247490, 13496988, 16871235, 22494980, 26993976, 33742470, 44989960, 67484940, 134969880, 167587601, 335175202, 502762803, 670350404, 837938005, 1005525606, 1340700808, 1675876010, 2011051212, 2513814015, 3351752020, 4022102424, 5027628030, 6703504040, 10055256060, 20110512120]

約数ペア:

[(1, 20110512120), (2, 10055256060), (3, 6703504040), (4, 5027628030), (5, 4022102424), (6, 3351752020), (8, 2513814015), (10, 2011051212), (12, 1675876010), (15, 1340700808), (20, 1005525606), (24, 837938005), (30, 670350404), (40, 502762803), (60, 335175202), (120, 167587601), (149, 134969880), (298, 67484940), (447, 44989960), (596, 33742470), (745, 26993976), (894, 22494980), (1192, 16871235), (1490, 13496988), (1788, 11247490), (2235, 8997992), (2980, 6748494), (3576, 5623745), (4470, 4498996), (5960, 3374247), (8940, 2249498), (17880, 1124749)]