28463580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5101}}^1$

素因数の和:5147

約数の個数: 72

約数和(自身を含む): 89142144

約数和(自身を除く): 60678564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5101, 5580, 10202, 15303, 20404, 25505, 30606, 45909, 51010, 61212, 76515, 91818, 102020, 153030, 158131, 183636, 229545, 306060, 316262, 459090, 474393, 632524, 790655, 918180, 948786, 1423179, 1581310, 1897572, 2371965, 2846358, 3162620, 4743930, 5692716, 7115895, 9487860, 14231790, 28463580]

約数ペア:

[(1, 28463580), (2, 14231790), (3, 9487860), (4, 7115895), (5, 5692716), (6, 4743930), (9, 3162620), (10, 2846358), (12, 2371965), (15, 1897572), (18, 1581310), (20, 1423179), (30, 948786), (31, 918180), (36, 790655), (45, 632524), (60, 474393), (62, 459090), (90, 316262), (93, 306060), (124, 229545), (155, 183636), (180, 158131), (186, 153030), (279, 102020), (310, 91818), (372, 76515), (465, 61212), (558, 51010), (620, 45909), (930, 30606), (1116, 25505), (1395, 20404), (1860, 15303), (2790, 10202), (5101, 5580)]