71840640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 256

約数和(自身を含む): 253808640

約数和(自身を除く): 181968000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 71, 80, 85, 93, 96, 102, 120, 124, 128, 136, 142, 155, 160, 170, 186, 192, 204, 213, 240, 248, 255, 272, 284, 310, 320, 340, 355, 372, 384, 408, 426, 465, 480, 496, 510, 527, 544, 568, 620, 640, 680, 710, 744, 816, 852, 930, 960, 992, 1020, 1054, 1065, 1088, 1136, 1207, 1240, 1360, 1420, 1488, 1581, 1632, 1704, 1860, 1920, 1984, 2040, 2108, 2130, 2176, 2201, 2272, 2414, 2480, 2635, 2720, 2840, 2976, 3162, 3264, 3408, 3621, 3720, 3968, 4080, 4216, 4260, 4402, 4544, 4828, 4960, 5270, 5440, 5680, 5952, 6035, 6324, 6528, 6603, 6816, 7242, 7440, 7905, 8160, 8432, 8520, 8804, 9088, 9656, 9920, 10540, 10880, 11005, 11360, 11904, 12070, 12648, 13206, 13632, 14484, 14880, 15810, 16320, 16864, 17040, 17608, 18105, 19312, 19840, 21080, 22010, 22720, 24140, 25296, 26412, 27264, 28968, 29760, 31620, 32640, 33015, 33728, 34080, 35216, 36210, 37417, 38624, 42160, 44020, 45440, 48280, 50592, 52824, 57936, 59520, 63240, 66030, 67456, 68160, 70432, 72420, 74834, 77248, 84320, 88040, 96560, 101184, 105648, 112251, 115872, 126480, 132060, 136320, 140864, 144840, 149668, 154496, 168640, 176080, 187085, 193120, 202368, 211296, 224502, 231744, 252960, 264120, 281728, 289680, 299336, 337280, 352160, 374170, 386240, 422592, 449004, 463488, 505920, 528240, 561255, 579360, 598672, 704320, 748340, 772480, 845184, 898008, 1011840, 1056480, 1122510, 1158720, 1197344, 1408640, 1496680, 1796016, 2112960, 2245020, 2317440, 2394688, 2993360, 3592032, 4225920, 4490040, 4789376, 5986720, 7184064, 8980080, 11973440, 14368128, 17960160, 23946880, 35920320, 71840640]

約数ペア:

[(1, 71840640), (2, 35920320), (3, 23946880), (4, 17960160), (5, 14368128), (6, 11973440), (8, 8980080), (10, 7184064), (12, 5986720), (15, 4789376), (16, 4490040), (17, 4225920), (20, 3592032), (24, 2993360), (30, 2394688), (31, 2317440), (32, 2245020), (34, 2112960), (40, 1796016), (48, 1496680), (51, 1408640), (60, 1197344), (62, 1158720), (64, 1122510), (68, 1056480), (71, 1011840), (80, 898008), (85, 845184), (93, 772480), (96, 748340), (102, 704320), (120, 598672), (124, 579360), (128, 561255), (136, 528240), (142, 505920), (155, 463488), (160, 449004), (170, 422592), (186, 386240), (192, 374170), (204, 352160), (213, 337280), (240, 299336), (248, 289680), (255, 281728), (272, 264120), (284, 252960), (310, 231744), (320, 224502), (340, 211296), (355, 202368), (372, 193120), (384, 187085), (408, 176080), (426, 168640), (465, 154496), (480, 149668), (496, 144840), (510, 140864), (527, 136320), (544, 132060), (568, 126480), (620, 115872), (640, 112251), (680, 105648), (710, 101184), (744, 96560), (816, 88040), (852, 84320), (930, 77248), (960, 74834), (992, 72420), (1020, 70432), (1054, 68160), (1065, 67456), (1088, 66030), (1136, 63240), (1207, 59520), (1240, 57936), (1360, 52824), (1420, 50592), (1488, 48280), (1581, 45440), (1632, 44020), (1704, 42160), (1860, 38624), (1920, 37417), (1984, 36210), (2040, 35216), (2108, 34080), (2130, 33728), (2176, 33015), (2201, 32640), (2272, 31620), (2414, 29760), (2480, 28968), (2635, 27264), (2720, 26412), (2840, 25296), (2976, 24140), (3162, 22720), (3264, 22010), (3408, 21080), (3621, 19840), (3720, 19312), (3968, 18105), (4080, 17608), (4216, 17040), (4260, 16864), (4402, 16320), (4544, 15810), (4828, 14880), (4960, 14484), (5270, 13632), (5440, 13206), (5680, 12648), (5952, 12070), (6035, 11904), (6324, 11360), (6528, 11005), (6603, 10880), (6816, 10540), (7242, 9920), (7440, 9656), (7905, 9088), (8160, 8804), (8432, 8520)]