221501640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2081}}^1$

素因数の和:2982

約数の個数: 64

約数和(自身を含む): 665573760

約数和(自身を除く): 444072120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 887, 1774, 2081, 2661, 3548, 4162, 4435, 5322, 6243, 7096, 8324, 8870, 10405, 10644, 12486, 13305, 16648, 17740, 20810, 21288, 24972, 26610, 31215, 35480, 41620, 49944, 53220, 62430, 83240, 106440, 124860, 249720, 1845847, 3691694, 5537541, 7383388, 9229235, 11075082, 14766776, 18458470, 22150164, 27687705, 36916940, 44300328, 55375410, 73833880, 110750820, 221501640]

約数ペア:

[(1, 221501640), (2, 110750820), (3, 73833880), (4, 55375410), (5, 44300328), (6, 36916940), (8, 27687705), (10, 22150164), (12, 18458470), (15, 14766776), (20, 11075082), (24, 9229235), (30, 7383388), (40, 5537541), (60, 3691694), (120, 1845847), (887, 249720), (1774, 124860), (2081, 106440), (2661, 83240), (3548, 62430), (4162, 53220), (4435, 49944), (5322, 41620), (6243, 35480), (7096, 31215), (8324, 26610), (8870, 24972), (10405, 21288), (10644, 20810), (12486, 17740), (13305, 16648)]