71914920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 256

約数和(自身を含む): 276756480

約数和(自身を除く): 204841560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 43, 44, 55, 56, 60, 66, 70, 77, 84, 86, 88, 105, 110, 120, 129, 132, 140, 154, 165, 168, 172, 181, 210, 215, 220, 231, 258, 264, 280, 301, 308, 330, 344, 362, 385, 420, 430, 440, 462, 473, 516, 543, 602, 616, 645, 660, 724, 770, 840, 860, 903, 905, 924, 946, 1032, 1086, 1155, 1204, 1267, 1290, 1320, 1419, 1448, 1505, 1540, 1720, 1806, 1810, 1848, 1892, 1991, 2172, 2310, 2365, 2408, 2534, 2580, 2715, 2838, 3010, 3080, 3311, 3612, 3620, 3784, 3801, 3982, 4344, 4515, 4620, 4730, 5068, 5160, 5430, 5676, 5973, 6020, 6335, 6622, 7095, 7224, 7240, 7602, 7783, 7964, 9030, 9240, 9460, 9933, 9955, 10136, 10860, 11352, 11946, 12040, 12670, 13244, 13937, 14190, 15204, 15566, 15928, 16555, 18060, 18920, 19005, 19866, 19910, 21720, 23349, 23892, 25340, 26488, 27874, 28380, 29865, 30408, 31132, 33110, 36120, 38010, 38915, 39732, 39820, 41811, 46698, 47784, 49665, 50680, 54481, 55748, 56760, 59730, 62264, 66220, 69685, 76020, 77830, 79464, 79640, 83622, 85613, 93396, 99330, 108962, 111496, 116745, 119460, 132440, 139370, 152040, 155660, 163443, 167244, 171226, 186792, 198660, 209055, 217924, 233490, 238920, 256839, 272405, 278740, 311320, 326886, 334488, 342452, 397320, 418110, 428065, 435848, 466980, 513678, 544810, 557480, 599291, 653772, 684904, 817215, 836220, 856130, 933960, 1027356, 1089620, 1198582, 1284195, 1307544, 1634430, 1672440, 1712260, 1797873, 2054712, 2179240, 2397164, 2568390, 2996455, 3268860, 3424520, 3595746, 4794328, 5136780, 5992910, 6537720, 7191492, 8989365, 10273560, 11985820, 14382984, 17978730, 23971640, 35957460, 71914920]

約数ペア:

[(1, 71914920), (2, 35957460), (3, 23971640), (4, 17978730), (5, 14382984), (6, 11985820), (7, 10273560), (8, 8989365), (10, 7191492), (11, 6537720), (12, 5992910), (14, 5136780), (15, 4794328), (20, 3595746), (21, 3424520), (22, 3268860), (24, 2996455), (28, 2568390), (30, 2397164), (33, 2179240), (35, 2054712), (40, 1797873), (42, 1712260), (43, 1672440), (44, 1634430), (55, 1307544), (56, 1284195), (60, 1198582), (66, 1089620), (70, 1027356), (77, 933960), (84, 856130), (86, 836220), (88, 817215), (105, 684904), (110, 653772), (120, 599291), (129, 557480), (132, 544810), (140, 513678), (154, 466980), (165, 435848), (168, 428065), (172, 418110), (181, 397320), (210, 342452), (215, 334488), (220, 326886), (231, 311320), (258, 278740), (264, 272405), (280, 256839), (301, 238920), (308, 233490), (330, 217924), (344, 209055), (362, 198660), (385, 186792), (420, 171226), (430, 167244), (440, 163443), (462, 155660), (473, 152040), (516, 139370), (543, 132440), (602, 119460), (616, 116745), (645, 111496), (660, 108962), (724, 99330), (770, 93396), (840, 85613), (860, 83622), (903, 79640), (905, 79464), (924, 77830), (946, 76020), (1032, 69685), (1086, 66220), (1155, 62264), (1204, 59730), (1267, 56760), (1290, 55748), (1320, 54481), (1419, 50680), (1448, 49665), (1505, 47784), (1540, 46698), (1720, 41811), (1806, 39820), (1810, 39732), (1848, 38915), (1892, 38010), (1991, 36120), (2172, 33110), (2310, 31132), (2365, 30408), (2408, 29865), (2534, 28380), (2580, 27874), (2715, 26488), (2838, 25340), (3010, 23892), (3080, 23349), (3311, 21720), (3612, 19910), (3620, 19866), (3784, 19005), (3801, 18920), (3982, 18060), (4344, 16555), (4515, 15928), (4620, 15566), (4730, 15204), (5068, 14190), (5160, 13937), (5430, 13244), (5676, 12670), (5973, 12040), (6020, 11946), (6335, 11352), (6622, 10860), (7095, 10136), (7224, 9955), (7240, 9933), (7602, 9460), (7783, 9240), (7964, 9030)]