28780740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 88058880

約数和(自身を除く): 59278140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1259, 1270, 1524, 1905, 2286, 2518, 2540, 3777, 3810, 4572, 5036, 5715, 6295, 7554, 7620, 11331, 11430, 12590, 15108, 18885, 22662, 22860, 25180, 37770, 45324, 56655, 75540, 113310, 159893, 226620, 319786, 479679, 639572, 799465, 959358, 1439037, 1598930, 1918716, 2398395, 2878074, 3197860, 4796790, 5756148, 7195185, 9593580, 14390370, 28780740]

約数ペア:

[(1, 28780740), (2, 14390370), (3, 9593580), (4, 7195185), (5, 5756148), (6, 4796790), (9, 3197860), (10, 2878074), (12, 2398395), (15, 1918716), (18, 1598930), (20, 1439037), (30, 959358), (36, 799465), (45, 639572), (60, 479679), (90, 319786), (127, 226620), (180, 159893), (254, 113310), (381, 75540), (508, 56655), (635, 45324), (762, 37770), (1143, 25180), (1259, 22860), (1270, 22662), (1524, 18885), (1905, 15108), (2286, 12590), (2518, 11430), (2540, 11331), (3777, 7620), (3810, 7554), (4572, 6295), (5036, 5715)]