28808460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17783}}^1$

素因数の和:17804

約数の個数: 60

約数和(自身を含む): 90378288

約数和(自身を除く): 61569828

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, 17783, 35566, 53349, 71132, 88915, 106698, 160047, 177830, 213396, 266745, 320094, 355660, 480141, 533490, 640188, 800235, 960282, 1066980, 1440423, 1600470, 1920564, 2400705, 2880846, 3200940, 4801410, 5761692, 7202115, 9602820, 14404230, 28808460]

約数ペア:

[(1, 28808460), (2, 14404230), (3, 9602820), (4, 7202115), (5, 5761692), (6, 4801410), (9, 3200940), (10, 2880846), (12, 2400705), (15, 1920564), (18, 1600470), (20, 1440423), (27, 1066980), (30, 960282), (36, 800235), (45, 640188), (54, 533490), (60, 480141), (81, 355660), (90, 320094), (108, 266745), (135, 213396), (162, 177830), (180, 160047), (270, 106698), (324, 88915), (405, 71132), (540, 53349), (810, 35566), (1620, 17783)]