255786961920

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 1056

約数和(自身を含む): 1035885496320

約数和(自身を除く): 780098534400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 32, 35, 38, 40, 42, 48, 49, 56, 57, 60, 62, 64, 70, 76, 80, 84, 93, 95, 96, 98, 105, 112, 114, 120, 124, 128, 133, 140, 147, 152, 155, 160, 168, 186, 190, 192, 196, 210, 217, 224, 228, 240, 245, 248, 256, 266, 280, 285, 294, 304, 310, 320, 336, 372, 380, 384, 392, 399, 420, 434, 448, 456, 465, 480, 490, 496, 512, 532, 560, 570, 577, 588, 589, 608, 620, 640, 651, 665, 672, 735, 744, 760, 768, 784, 798, 840, 868, 896, 912, 930, 931, 960, 980, 992, 1024, 1064, 1085, 1120, 1140, 1154, 1176, 1178, 1216, 1240, 1280, 1302, 1330, 1344, 1470, 1488, 1519, 1520, 1536, 1568, 1596, 1680, 1731, 1736, 1767, 1792, 1824, 1860, 1862, 1920, 1960, 1984, 1995, 2128, 2170, 2240, 2280, 2308, 2352, 2356, 2432, 2480, 2560, 2604, 2660, 2688, 2793, 2885, 2940, 2945, 2976, 3038, 3040, 3072, 3136, 3192, 3255, 3360, 3462, 3472, 3534, 3584, 3648, 3720, 3724, 3840, 3920, 3968, 3990, 4039, 4123, 4256, 4340, 4480, 4557, 4560, 4616, 4655, 4704, 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約数ペア:

[(1, 255786961920), (2, 127893480960), (3, 85262320640), (4, 63946740480), (5, 51157392384), (6, 42631160320), (7, 36540994560), (8, 31973370240), (10, 25578696192), (12, 21315580160), (14, 18270497280), (15, 17052464128), (16, 15986685120), (19, 13462471680), (20, 12789348096), (21, 12180331520), (24, 10657790080), (28, 9135248640), (30, 8526232064), (31, 8251192320), (32, 7993342560), (35, 7308198912), (38, 6731235840), (40, 6394674048), (42, 6090165760), (48, 5328895040), (49, 5220142080), (56, 4567624320), (57, 4487490560), (60, 4263116032), (62, 4125596160), (64, 3996671280), (70, 3654099456), (76, 3365617920), (80, 3197337024), (84, 3045082880), (93, 2750397440), (95, 2692494336), (96, 2664447520), (98, 2610071040), (105, 2436066304), (112, 2283812160), (114, 2243745280), (120, 2131558016), (124, 2062798080), (128, 1998335640), (133, 1923210240), (140, 1827049728), (147, 1740047360), (152, 1682808960), (155, 1650238464), (160, 1598668512), (168, 1522541440), (186, 1375198720), 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