281005920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:934

約数の個数: 288

約数和(自身を含む): 1094681952

約数和(自身を除く): 813676032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 130, 136, 144, 153, 156, 160, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 288, 306, 312, 340, 360, 390, 408, 416, 442, 468, 480, 510, 520, 544, 585, 612, 624, 663, 680, 720, 765, 780, 816, 883, 884, 936, 1020, 1040, 1105, 1170, 1224, 1248, 1326, 1360, 1440, 1530, 1560, 1632, 1766, 1768, 1872, 1989, 2040, 2080, 2210, 2340, 2448, 2649, 2652, 2720, 3060, 3120, 3315, 3532, 3536, 3744, 3978, 4080, 4415, 4420, 4680, 4896, 5298, 5304, 6120, 6240, 6630, 7064, 7072, 7947, 7956, 8160, 8830, 8840, 9360, 9945, 10596, 10608, 11479, 12240, 13245, 13260, 14128, 15011, 15894, 15912, 17660, 17680, 18720, 19890, 21192, 21216, 22958, 24480, 26490, 26520, 28256, 30022, 31788, 31824, 34437, 35320, 35360, 39735, 39780, 42384, 45033, 45916, 52980, 53040, 57395, 60044, 63576, 63648, 68874, 70640, 75055, 79470, 79560, 84768, 90066, 91832, 103311, 105960, 106080, 114790, 120088, 127152, 135099, 137748, 141280, 150110, 158940, 159120, 172185, 180132, 183664, 195143, 206622, 211920, 225165, 229580, 240176, 254304, 270198, 275496, 300220, 317880, 318240, 344370, 360264, 367328, 390286, 413244, 423840, 450330, 459160, 480352, 516555, 540396, 550992, 585429, 600440, 635760, 675495, 688740, 720528, 780572, 826488, 900660, 918320, 975715, 1033110, 1080792, 1101984, 1170858, 1200880, 1271520, 1350990, 1377480, 1441056, 1561144, 1652976, 1756287, 1801320, 1836640, 1951430, 2066220, 2161584, 2341716, 2401760, 2701980, 2754960, 2927145, 3122288, 3305952, 3512574, 3602640, 3902860, 4132440, 4323168, 4683432, 5403960, 5509920, 5854290, 6244576, 7025148, 7205280, 7805720, 8264880, 8781435, 9366864, 10807920, 11708580, 14050296, 15611440, 16529760, 17562870, 18733728, 21615840, 23417160, 28100592, 31222880, 35125740, 46834320, 56201184, 70251480, 93668640, 140502960, 281005920]

約数ペア:

[(1, 281005920), (2, 140502960), (3, 93668640), (4, 70251480), (5, 56201184), (6, 46834320), (8, 35125740), (9, 31222880), (10, 28100592), (12, 23417160), (13, 21615840), (15, 18733728), (16, 17562870), (17, 16529760), (18, 15611440), (20, 14050296), (24, 11708580), (26, 10807920), (30, 9366864), (32, 8781435), (34, 8264880), (36, 7805720), (39, 7205280), (40, 7025148), (45, 6244576), (48, 5854290), (51, 5509920), (52, 5403960), (60, 4683432), (65, 4323168), (68, 4132440), (72, 3902860), (78, 3602640), (80, 3512574), (85, 3305952), (90, 3122288), (96, 2927145), (102, 2754960), (104, 2701980), (117, 2401760), (120, 2341716), (130, 2161584), (136, 2066220), (144, 1951430), (153, 1836640), (156, 1801320), (160, 1756287), (170, 1652976), (180, 1561144), (195, 1441056), (204, 1377480), (208, 1350990), (221, 1271520), (234, 1200880), (240, 1170858), (255, 1101984), (260, 1080792), (272, 1033110), (288, 975715), (306, 918320), (312, 900660), (340, 826488), (360, 780572), (390, 720528), (408, 688740), (416, 675495), (442, 635760), (468, 600440), (480, 585429), (510, 550992), (520, 540396), (544, 516555), (585, 480352), (612, 459160), (624, 450330), (663, 423840), (680, 413244), (720, 390286), (765, 367328), (780, 360264), (816, 344370), (883, 318240), (884, 317880), (936, 300220), (1020, 275496), (1040, 270198), (1105, 254304), (1170, 240176), (1224, 229580), (1248, 225165), (1326, 211920), (1360, 206622), (1440, 195143), (1530, 183664), (1560, 180132), (1632, 172185), (1766, 159120), (1768, 158940), (1872, 150110), (1989, 141280), (2040, 137748), (2080, 135099), (2210, 127152), (2340, 120088), (2448, 114790), (2649, 106080), (2652, 105960), (2720, 103311), (3060, 91832), (3120, 90066), (3315, 84768), (3532, 79560), (3536, 79470), (3744, 75055), (3978, 70640), (4080, 68874), (4415, 63648), (4420, 63576), (4680, 60044), (4896, 57395), (5298, 53040), (5304, 52980), (6120, 45916), (6240, 45033), (6630, 42384), (7064, 39780), (7072, 39735), (7947, 35360), (7956, 35320), (8160, 34437), (8830, 31824), (8840, 31788), (9360, 30022), (9945, 28256), (10596, 26520), (10608, 26490), (11479, 24480), (12240, 22958), (13245, 21216), (13260, 21192), (14128, 19890), (15011, 18720), (15894, 17680), (15912, 17660)]