28668180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15413}}^1$

素因数の和:15456

約数の個数: 48

約数和(自身を含む): 82865664

約数和(自身を除く): 54197484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 15413, 30826, 46239, 61652, 77065, 92478, 154130, 184956, 231195, 308260, 462390, 477803, 924780, 955606, 1433409, 1911212, 2389015, 2866818, 4778030, 5733636, 7167045, 9556060, 14334090, 28668180]

約数ペア:

[(1, 28668180), (2, 14334090), (3, 9556060), (4, 7167045), (5, 5733636), (6, 4778030), (10, 2866818), (12, 2389015), (15, 1911212), (20, 1433409), (30, 955606), (31, 924780), (60, 477803), (62, 462390), (93, 308260), (124, 231195), (155, 184956), (186, 154130), (310, 92478), (372, 77065), (465, 61652), (620, 46239), (930, 30826), (1860, 15413)]