280628640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3677}}^1$

素因数の和:3751

約数の個数: 144

約数和(自身を含む): 975979368

約数和(自身を除く): 695350728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 424, 477, 480, 530, 636, 720, 795, 848, 954, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 3180, 3677, 3816, 4240, 4770, 5088, 6360, 7354, 7632, 8480, 9540, 11031, 12720, 14708, 15264, 18385, 19080, 22062, 25440, 29416, 33093, 36770, 38160, 44124, 55155, 58832, 66186, 73540, 76320, 88248, 110310, 117664, 132372, 147080, 165465, 176496, 194881, 220620, 264744, 294160, 330930, 352992, 389762, 441240, 529488, 584643, 588320, 661860, 779524, 882480, 974405, 1058976, 1169286, 1323720, 1559048, 1753929, 1764960, 1948810, 2338572, 2647440, 2923215, 3118096, 3507858, 3897620, 4677144, 5294880, 5846430, 6236192, 7015716, 7795240, 8769645, 9354288, 11692860, 14031432, 15590480, 17539290, 18708576, 23385720, 28062864, 31180960, 35078580, 46771440, 56125728, 70157160, 93542880, 140314320, 280628640]

約数ペア:

[(1, 280628640), (2, 140314320), (3, 93542880), (4, 70157160), (5, 56125728), (6, 46771440), (8, 35078580), (9, 31180960), (10, 28062864), (12, 23385720), (15, 18708576), (16, 17539290), (18, 15590480), (20, 14031432), (24, 11692860), (30, 9354288), (32, 8769645), (36, 7795240), (40, 7015716), (45, 6236192), (48, 5846430), (53, 5294880), (60, 4677144), (72, 3897620), (80, 3507858), (90, 3118096), (96, 2923215), (106, 2647440), (120, 2338572), (144, 1948810), (159, 1764960), (160, 1753929), (180, 1559048), (212, 1323720), (240, 1169286), (265, 1058976), (288, 974405), (318, 882480), (360, 779524), (424, 661860), (477, 588320), (480, 584643), (530, 529488), (636, 441240), (720, 389762), (795, 352992), (848, 330930), (954, 294160), (1060, 264744), (1272, 220620), (1440, 194881), (1590, 176496), (1696, 165465), (1908, 147080), (2120, 132372), (2385, 117664), (2544, 110310), (3180, 88248), (3677, 76320), (3816, 73540), (4240, 66186), (4770, 58832), (5088, 55155), (6360, 44124), (7354, 38160), (7632, 36770), (8480, 33093), (9540, 29416), (11031, 25440), (12720, 22062), (14708, 19080), (15264, 18385)]