26720040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2081}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 80948160

約数和(自身を除く): 54228120

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, 2081, 2140, 2568, 3210, 4162, 4280, 6243, 6420, 8324, 10405, 12486, 12840, 16648, 20810, 24972, 31215, 41620, 49944, 62430, 83240, 124860, 222667, 249720, 445334, 668001, 890668, 1113335, 1336002, 1781336, 2226670, 2672004, 3340005, 4453340, 5344008, 6680010, 8906680, 13360020, 26720040]

約数ペア:

[(1, 26720040), (2, 13360020), (3, 8906680), (4, 6680010), (5, 5344008), (6, 4453340), (8, 3340005), (10, 2672004), (12, 2226670), (15, 1781336), (20, 1336002), (24, 1113335), (30, 890668), (40, 668001), (60, 445334), (107, 249720), (120, 222667), (214, 124860), (321, 83240), (428, 62430), (535, 49944), (642, 41620), (856, 31215), (1070, 24972), (1284, 20810), (1605, 16648), (2081, 12840), (2140, 12486), (2568, 10405), (3210, 8324), (4162, 6420), (4280, 6243)]