28938840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:801

約数の個数: 128

約数和(自身を含む): 101468160

約数和(自身を除く): 72529320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 733, 840, 940, 987, 1128, 1316, 1410, 1466, 1645, 1880, 1974, 2199, 2632, 2820, 2932, 3290, 3665, 3948, 4398, 4935, 5131, 5640, 5864, 6580, 7330, 7896, 8796, 9870, 10262, 10995, 13160, 14660, 15393, 17592, 19740, 20524, 21990, 25655, 29320, 30786, 34451, 39480, 41048, 43980, 51310, 61572, 68902, 76965, 87960, 102620, 103353, 123144, 137804, 153930, 172255, 205240, 206706, 241157, 275608, 307860, 344510, 413412, 482314, 516765, 615720, 689020, 723471, 826824, 964628, 1033530, 1205785, 1378040, 1446942, 1929256, 2067060, 2411570, 2893884, 3617355, 4134120, 4823140, 5787768, 7234710, 9646280, 14469420, 28938840]

約数ペア:

[(1, 28938840), (2, 14469420), (3, 9646280), (4, 7234710), (5, 5787768), (6, 4823140), (7, 4134120), (8, 3617355), (10, 2893884), (12, 2411570), (14, 2067060), (15, 1929256), (20, 1446942), (21, 1378040), (24, 1205785), (28, 1033530), (30, 964628), (35, 826824), (40, 723471), (42, 689020), (47, 615720), (56, 516765), (60, 482314), (70, 413412), (84, 344510), (94, 307860), (105, 275608), (120, 241157), (140, 206706), (141, 205240), (168, 172255), (188, 153930), (210, 137804), (235, 123144), (280, 103353), (282, 102620), (329, 87960), (376, 76965), (420, 68902), (470, 61572), (564, 51310), (658, 43980), (705, 41048), (733, 39480), (840, 34451), (940, 30786), (987, 29320), (1128, 25655), (1316, 21990), (1410, 20524), (1466, 19740), (1645, 17592), (1880, 15393), (1974, 14660), (2199, 13160), (2632, 10995), (2820, 10262), (2932, 9870), (3290, 8796), (3665, 7896), (3948, 7330), (4398, 6580), (4935, 5864), (5131, 5640)]