166805940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20903}}^1$

素因数の和:20941

約数の個数: 96

約数和(自身を含む): 561899520

約数和(自身を除く): 395093580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 20903, 41806, 62709, 83612, 104515, 125418, 146321, 209030, 250836, 292642, 313545, 397157, 418060, 438963, 585284, 627090, 731605, 794314, 877926, 1191471, 1254180, 1463210, 1588628, 1755852, 1985785, 2194815, 2382942, 2780099, 2926420, 3971570, 4389630, 4765884, 5560198, 5957355, 7943140, 8340297, 8779260, 11120396, 11914710, 13900495, 16680594, 23829420, 27800990, 33361188, 41701485, 55601980, 83402970, 166805940]

約数ペア:

[(1, 166805940), (2, 83402970), (3, 55601980), (4, 41701485), (5, 33361188), (6, 27800990), (7, 23829420), (10, 16680594), (12, 13900495), (14, 11914710), (15, 11120396), (19, 8779260), (20, 8340297), (21, 7943140), (28, 5957355), (30, 5560198), (35, 4765884), (38, 4389630), (42, 3971570), (57, 2926420), (60, 2780099), (70, 2382942), (76, 2194815), (84, 1985785), (95, 1755852), (105, 1588628), (114, 1463210), (133, 1254180), (140, 1191471), (190, 877926), (210, 794314), (228, 731605), (266, 627090), (285, 585284), (380, 438963), (399, 418060), (420, 397157), (532, 313545), (570, 292642), (665, 250836), (798, 209030), (1140, 146321), (1330, 125418), (1596, 104515), (1995, 83612), (2660, 62709), (3990, 41806), (7980, 20903)]