28303020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17471}}^1$

素因数の和:17492

約数の個数: 60

約数和(自身を含む): 88792704

約数和(自身を除く): 60489684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17471, 34942, 52413, 69884, 87355, 104826, 157239, 174710, 209652, 262065, 314478, 349420, 471717, 524130, 628956, 786195, 943434, 1048260, 1415151, 1572390, 1886868, 2358585, 2830302, 3144780, 4717170, 5660604, 7075755, 9434340, 14151510, 28303020]

約数ペア:

[(1, 28303020), (2, 14151510), (3, 9434340), (4, 7075755), (5, 5660604), (6, 4717170), (9, 3144780), (10, 2830302), (12, 2358585), (15, 1886868), (18, 1572390), (20, 1415151), (27, 1048260), (30, 943434), (36, 786195), (45, 628956), (54, 524130), (60, 471717), (81, 349420), (90, 314478), (108, 262065), (135, 209652), (162, 174710), (180, 157239), (270, 104826), (324, 87355), (405, 69884), (540, 52413), (810, 34942), (1620, 17471)]