78387120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 305789952

約数和(自身を除く): 227402832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 103, 105, 112, 120, 126, 140, 144, 151, 168, 180, 206, 210, 240, 252, 280, 302, 309, 315, 336, 360, 412, 420, 453, 504, 515, 560, 604, 618, 630, 720, 721, 755, 824, 840, 906, 927, 1008, 1030, 1057, 1208, 1236, 1260, 1359, 1442, 1510, 1545, 1648, 1680, 1812, 1854, 2060, 2114, 2163, 2265, 2416, 2472, 2520, 2718, 2884, 3020, 3090, 3171, 3605, 3624, 3708, 4120, 4228, 4326, 4530, 4635, 4944, 5040, 5285, 5436, 5768, 6040, 6180, 6342, 6489, 6795, 7210, 7248, 7416, 8240, 8456, 8652, 9060, 9270, 9513, 10570, 10815, 10872, 11536, 12080, 12360, 12684, 12978, 13590, 14420, 14832, 15553, 15855, 16912, 17304, 18120, 18540, 19026, 21140, 21630, 21744, 24720, 25368, 25956, 27180, 28840, 31106, 31710, 32445, 34608, 36240, 37080, 38052, 42280, 43260, 46659, 47565, 50736, 51912, 54360, 57680, 62212, 63420, 64890, 74160, 76104, 77765, 84560, 86520, 93318, 95130, 103824, 108720, 108871, 124424, 126840, 129780, 139977, 152208, 155530, 173040, 186636, 190260, 217742, 233295, 248848, 253680, 259560, 279954, 311060, 326613, 373272, 380520, 435484, 466590, 519120, 544355, 559908, 622120, 653226, 699885, 746544, 761040, 870968, 933180, 979839, 1088710, 1119816, 1244240, 1306452, 1399770, 1633065, 1741936, 1866360, 1959678, 2177420, 2239632, 2612904, 2799540, 3266130, 3732720, 3919356, 4354840, 4899195, 5225808, 5599080, 6532260, 7838712, 8709680, 9798390, 11198160, 13064520, 15677424, 19596780, 26129040, 39193560, 78387120]

約数ペア:

[(1, 78387120), (2, 39193560), (3, 26129040), (4, 19596780), (5, 15677424), (6, 13064520), (7, 11198160), (8, 9798390), (9, 8709680), (10, 7838712), (12, 6532260), (14, 5599080), (15, 5225808), (16, 4899195), (18, 4354840), (20, 3919356), (21, 3732720), (24, 3266130), (28, 2799540), (30, 2612904), (35, 2239632), (36, 2177420), (40, 1959678), (42, 1866360), (45, 1741936), (48, 1633065), (56, 1399770), (60, 1306452), (63, 1244240), (70, 1119816), (72, 1088710), (80, 979839), (84, 933180), (90, 870968), (103, 761040), (105, 746544), (112, 699885), (120, 653226), (126, 622120), (140, 559908), (144, 544355), (151, 519120), (168, 466590), (180, 435484), (206, 380520), (210, 373272), (240, 326613), (252, 311060), (280, 279954), (302, 259560), (309, 253680), (315, 248848), (336, 233295), (360, 217742), (412, 190260), (420, 186636), (453, 173040), (504, 155530), (515, 152208), (560, 139977), (604, 129780), (618, 126840), (630, 124424), (720, 108871), (721, 108720), (755, 103824), (824, 95130), (840, 93318), (906, 86520), (927, 84560), (1008, 77765), (1030, 76104), (1057, 74160), (1208, 64890), (1236, 63420), (1260, 62212), (1359, 57680), (1442, 54360), (1510, 51912), (1545, 50736), (1648, 47565), (1680, 46659), (1812, 43260), (1854, 42280), (2060, 38052), (2114, 37080), (2163, 36240), (2265, 34608), (2416, 32445), (2472, 31710), (2520, 31106), (2718, 28840), (2884, 27180), (3020, 25956), (3090, 25368), (3171, 24720), (3605, 21744), (3624, 21630), (3708, 21140), (4120, 19026), (4228, 18540), (4326, 18120), (4530, 17304), (4635, 16912), (4944, 15855), (5040, 15553), (5285, 14832), (5436, 14420), (5768, 13590), (6040, 12978), (6180, 12684), (6342, 12360), (6489, 12080), (6795, 11536), (7210, 10872), (7248, 10815), (7416, 10570), (8240, 9513), (8456, 9270), (8652, 9060)]