255617412120

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1894

約数の個数: 960

約数和(自身を含む): 1078789013280

約数和(自身を除く): 823171601160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 49, 51, 53, 54, 56, 60, 63, 68, 70, 72, 81, 84, 85, 90, 98, 102, 105, 106, 108, 119, 120, 126, 135, 136, 140, 147, 153, 159, 162, 168, 170, 180, 189, 196, 204, 210, 212, 216, 238, 245, 252, 255, 265, 270, 280, 294, 306, 315, 318, 324, 340, 357, 360, 371, 378, 392, 405, 408, 420, 424, 441, 459, 476, 477, 490, 504, 510, 530, 540, 567, 588, 595, 612, 630, 636, 648, 680, 714, 735, 742, 756, 765, 795, 810, 833, 840, 882, 901, 918, 945, 952, 954, 980, 1020, 1060, 1071, 1080, 1113, 1134, 1176, 1190, 1224, 1260, 1272, 1323, 1377, 1428, 1431, 1470, 1484, 1512, 1530, 1590, 1620, 1666, 1764, 1785, 1787, 1802, 1836, 1855, 1890, 1908, 1960, 2040, 2120, 2142, 2205, 2226, 2268, 2295, 2380, 2385, 2499, 2520, 2597, 2646, 2703, 2754, 2835, 2856, 2862, 2940, 2968, 3060, 3180, 3213, 3240, 3332, 3339, 3528, 3570, 3574, 3604, 3672, 3710, 3780, 3816, 3969, 4165, 4284, 4293, 4410, 4452, 4505, 4536, 4590, 4760, 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約数ペア:

[(1, 255617412120), (2, 127808706060), (3, 85205804040), (4, 63904353030), (5, 51123482424), (6, 42602902020), (7, 36516773160), (8, 31952176515), (9, 28401934680), (10, 25561741212), (12, 21301451010), (14, 18258386580), (15, 17041160808), (17, 15036318360), (18, 14200967340), (20, 12780870606), (21, 12172257720), (24, 10650725505), (27, 9467311560), (28, 9129193290), (30, 8520580404), (34, 7518159180), (35, 7303354632), (36, 7100483670), (40, 6390435303), (42, 6086128860), (45, 5680386936), (49, 5216681880), (51, 5012106120), (53, 4822970040), (54, 4733655780), (56, 4564596645), (60, 4260290202), (63, 4057419240), (68, 3759079590), (70, 3651677316), (72, 3550241835), (81, 3155770520), (84, 3043064430), (85, 3007263672), (90, 2840193468), (98, 2608340940), (102, 2506053060), (105, 2434451544), (106, 2411485020), (108, 2366827890), (119, 2148045480), (120, 2130145101), (126, 2028709620), (135, 1893462312), (136, 1879539795), (140, 1825838658), (147, 1738893960), (153, 1670702040), 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(243032, 1051785), (243270, 1050756), (250180, 1021734), (252280, 1013229), (262689, 973080), (264894, 964980), (269892, 947110), (273411, 934920), (280476, 911370), (283815, 900648), (284133, 899640), (289494, 882980), (291924, 875630), (299880, 852399), (300216, 851445), (300510, 850612), (303790, 841428), (311640, 820233), (321660, 794682), (324360, 788067), (337365, 757688), (337743, 756840), (340578, 750540), (350252, 729810), (350595, 729096), (353192, 723735), (364548, 701190), (364905, 700504), (375270, 681156), (378420, 675486), (378844, 674730), (385560, 662977), (385992, 662235), (397341, 643320), (400680, 637959), (420714, 607580), (425306, 601020), (437815, 583848), (441490, 578988), (449820, 568266), (450324, 567630), (454104, 562905), (455685, 560952), (467460, 546822), (473555, 539784), (482490, 529788), (486540, 525378), (500360, 510867)]