247385880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:831

約数の個数: 256

約数和(自身を含む): 965606400

約数和(自身を除く): 718220520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 430, 504, 516, 540, 602, 630, 645, 756, 761, 774, 840, 860, 903, 945, 1032, 1080, 1161, 1204, 1260, 1290, 1505, 1512, 1522, 1548, 1720, 1806, 1890, 1935, 2283, 2322, 2408, 2520, 2580, 2709, 3010, 3044, 3096, 3612, 3780, 3805, 3870, 4515, 4566, 4644, 5160, 5327, 5418, 5805, 6020, 6088, 6849, 7224, 7560, 7610, 7740, 8127, 9030, 9132, 9288, 10654, 10836, 11415, 11610, 12040, 13545, 13698, 15220, 15480, 15981, 16254, 18060, 18264, 20547, 21308, 21672, 22830, 23220, 26635, 27090, 27396, 30440, 31962, 32508, 32723, 34245, 36120, 40635, 41094, 42616, 45660, 46440, 47943, 53270, 54180, 54792, 63924, 65016, 65446, 68490, 79905, 81270, 82188, 91320, 95886, 98169, 102735, 106540, 108360, 127848, 130892, 136980, 143829, 159810, 162540, 163615, 164376, 191772, 196338, 205470, 213080, 229061, 239715, 261784, 273960, 287658, 294507, 319620, 325080, 327230, 383544, 392676, 410940, 458122, 479430, 490845, 575316, 589014, 639240, 654460, 687183, 719145, 785352, 821880, 883521, 916244, 958860, 981690, 1145305, 1150632, 1178028, 1308920, 1374366, 1438290, 1472535, 1767042, 1832488, 1917720, 1963380, 2061549, 2290610, 2356056, 2748732, 2876580, 2945070, 3435915, 3534084, 3926760, 4123098, 4417605, 4581220, 5497464, 5753160, 5890140, 6184647, 6871830, 7068168, 8246196, 8835210, 9162440, 10307745, 11780280, 12369294, 13743660, 16492392, 17670420, 20615490, 24738588, 27487320, 30923235, 35340840, 41230980, 49477176, 61846470, 82461960, 123692940, 247385880]

約数ペア:

[(1, 247385880), (2, 123692940), (3, 82461960), (4, 61846470), (5, 49477176), (6, 41230980), (7, 35340840), (8, 30923235), (9, 27487320), (10, 24738588), (12, 20615490), (14, 17670420), (15, 16492392), (18, 13743660), (20, 12369294), (21, 11780280), (24, 10307745), (27, 9162440), (28, 8835210), (30, 8246196), (35, 7068168), (36, 6871830), (40, 6184647), (42, 5890140), (43, 5753160), (45, 5497464), (54, 4581220), (56, 4417605), (60, 4123098), (63, 3926760), (70, 3534084), (72, 3435915), (84, 2945070), (86, 2876580), (90, 2748732), (105, 2356056), (108, 2290610), (120, 2061549), (126, 1963380), (129, 1917720), (135, 1832488), (140, 1767042), (168, 1472535), (172, 1438290), (180, 1374366), (189, 1308920), (210, 1178028), (215, 1150632), (216, 1145305), (252, 981690), (258, 958860), (270, 916244), (280, 883521), (301, 821880), (315, 785352), (344, 719145), (360, 687183), (378, 654460), (387, 639240), (420, 589014), (430, 575316), (504, 490845), (516, 479430), (540, 458122), (602, 410940), (630, 392676), (645, 383544), (756, 327230), (761, 325080), (774, 319620), (840, 294507), (860, 287658), (903, 273960), (945, 261784), (1032, 239715), (1080, 229061), (1161, 213080), (1204, 205470), (1260, 196338), (1290, 191772), (1505, 164376), (1512, 163615), (1522, 162540), (1548, 159810), (1720, 143829), (1806, 136980), (1890, 130892), (1935, 127848), (2283, 108360), (2322, 106540), (2408, 102735), (2520, 98169), (2580, 95886), (2709, 91320), (3010, 82188), (3044, 81270), (3096, 79905), (3612, 68490), (3780, 65446), (3805, 65016), (3870, 63924), (4515, 54792), (4566, 54180), (4644, 53270), (5160, 47943), (5327, 46440), (5418, 45660), (5805, 42616), (6020, 41094), (6088, 40635), (6849, 36120), (7224, 34245), (7560, 32723), (7610, 32508), (7740, 31962), (8127, 30440), (9030, 27396), (9132, 27090), (9288, 26635), (10654, 23220), (10836, 22830), (11415, 21672), (11610, 21308), (12040, 20547), (13545, 18264), (13698, 18060), (15220, 16254), (15480, 15981)]