31005180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19139}}^1$

素因数の和:19160

約数の個数: 60

約数和(自身を含む): 97269480

約数和(自身を除く): 66264300

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, 19139, 38278, 57417, 76556, 95695, 114834, 172251, 191390, 229668, 287085, 344502, 382780, 516753, 574170, 689004, 861255, 1033506, 1148340, 1550259, 1722510, 2067012, 2583765, 3100518, 3445020, 5167530, 6201036, 7751295, 10335060, 15502590, 31005180]

約数ペア:

[(1, 31005180), (2, 15502590), (3, 10335060), (4, 7751295), (5, 6201036), (6, 5167530), (9, 3445020), (10, 3100518), (12, 2583765), (15, 2067012), (18, 1722510), (20, 1550259), (27, 1148340), (30, 1033506), (36, 861255), (45, 689004), (54, 574170), (60, 516753), (81, 382780), (90, 344502), (108, 287085), (135, 229668), (162, 191390), (180, 172251), (270, 114834), (324, 95695), (405, 76556), (540, 57417), (810, 38278), (1620, 19139)]