28990980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1$

素因数の和:1506

約数の個数: 96

約数和(自身を含む): 92695680

約数和(自身を除く): 63704700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1451, 1665, 1998, 2220, 2902, 3330, 3996, 4353, 4995, 5804, 6660, 7255, 8706, 9990, 13059, 14510, 17412, 19980, 21765, 26118, 29020, 39177, 43530, 52236, 53687, 65295, 78354, 87060, 107374, 130590, 156708, 161061, 195885, 214748, 261180, 268435, 322122, 391770, 483183, 536870, 644244, 783540, 805305, 966366, 1073740, 1449549, 1610610, 1932732, 2415915, 2899098, 3221220, 4831830, 5798196, 7247745, 9663660, 14495490, 28990980]

約数ペア:

[(1, 28990980), (2, 14495490), (3, 9663660), (4, 7247745), (5, 5798196), (6, 4831830), (9, 3221220), (10, 2899098), (12, 2415915), (15, 1932732), (18, 1610610), (20, 1449549), (27, 1073740), (30, 966366), (36, 805305), (37, 783540), (45, 644244), (54, 536870), (60, 483183), (74, 391770), (90, 322122), (108, 268435), (111, 261180), (135, 214748), (148, 195885), (180, 161061), (185, 156708), (222, 130590), (270, 107374), (333, 87060), (370, 78354), (444, 65295), (540, 53687), (555, 52236), (666, 43530), (740, 39177), (999, 29020), (1110, 26118), (1332, 21765), (1451, 19980), (1665, 17412), (1998, 14510), (2220, 13059), (2902, 9990), (3330, 8706), (3996, 7255), (4353, 6660), (4995, 5804)]