256614120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1392

約数の個数: 192

約数和(自身を含む): 965952000

約数和(自身を除く): 709337880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 79, 84, 90, 105, 120, 126, 140, 158, 168, 180, 210, 237, 252, 280, 315, 316, 360, 395, 420, 474, 504, 553, 630, 632, 711, 790, 840, 948, 1106, 1185, 1260, 1289, 1422, 1580, 1659, 1896, 2212, 2370, 2520, 2578, 2765, 2844, 3160, 3318, 3555, 3867, 4424, 4740, 4977, 5156, 5530, 5688, 6445, 6636, 7110, 7734, 8295, 9023, 9480, 9954, 10312, 11060, 11601, 12890, 13272, 14220, 15468, 16590, 18046, 19335, 19908, 22120, 23202, 24885, 25780, 27069, 28440, 30936, 33180, 36092, 38670, 39816, 45115, 46404, 49770, 51560, 54138, 58005, 66360, 72184, 77340, 81207, 90230, 92808, 99540, 101831, 108276, 116010, 135345, 154680, 162414, 180460, 199080, 203662, 216552, 232020, 270690, 305493, 324828, 360920, 406035, 407324, 464040, 509155, 541380, 610986, 649656, 712817, 812070, 814648, 916479, 1018310, 1082760, 1221972, 1425634, 1527465, 1624140, 1832958, 2036620, 2138451, 2443944, 2851268, 3054930, 3248280, 3564085, 3665916, 4073240, 4276902, 4582395, 5702536, 6109860, 6415353, 7128170, 7331832, 8553804, 9164790, 10692255, 12219720, 12830706, 14256340, 17107608, 18329580, 21384510, 25661412, 28512680, 32076765, 36659160, 42769020, 51322824, 64153530, 85538040, 128307060, 256614120]

約数ペア:

[(1, 256614120), (2, 128307060), (3, 85538040), (4, 64153530), (5, 51322824), (6, 42769020), (7, 36659160), (8, 32076765), (9, 28512680), (10, 25661412), (12, 21384510), (14, 18329580), (15, 17107608), (18, 14256340), (20, 12830706), (21, 12219720), (24, 10692255), (28, 9164790), (30, 8553804), (35, 7331832), (36, 7128170), (40, 6415353), (42, 6109860), (45, 5702536), (56, 4582395), (60, 4276902), (63, 4073240), (70, 3665916), (72, 3564085), (79, 3248280), (84, 3054930), (90, 2851268), (105, 2443944), (120, 2138451), (126, 2036620), (140, 1832958), (158, 1624140), (168, 1527465), (180, 1425634), (210, 1221972), (237, 1082760), (252, 1018310), (280, 916479), (315, 814648), (316, 812070), (360, 712817), (395, 649656), (420, 610986), (474, 541380), (504, 509155), (553, 464040), (630, 407324), (632, 406035), (711, 360920), (790, 324828), (840, 305493), (948, 270690), (1106, 232020), (1185, 216552), (1260, 203662), (1289, 199080), (1422, 180460), (1580, 162414), (1659, 154680), (1896, 135345), (2212, 116010), (2370, 108276), (2520, 101831), (2578, 99540), (2765, 92808), (2844, 90230), (3160, 81207), (3318, 77340), (3555, 72184), (3867, 66360), (4424, 58005), (4740, 54138), (4977, 51560), (5156, 49770), (5530, 46404), (5688, 45115), (6445, 39816), (6636, 38670), (7110, 36092), (7734, 33180), (8295, 30936), (9023, 28440), (9480, 27069), (9954, 25780), (10312, 24885), (11060, 23202), (11601, 22120), (12890, 19908), (13272, 19335), (14220, 18046), (15468, 16590)]