420191520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1583}}^1$

素因数の和:1687

約数の個数: 192

約数和(自身を含む): 1532805120

約数和(自身を除く): 1112613600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 210, 224, 237, 240, 280, 316, 336, 395, 420, 474, 480, 553, 560, 632, 672, 790, 840, 948, 1106, 1120, 1185, 1264, 1580, 1583, 1659, 1680, 1896, 2212, 2370, 2528, 2765, 3160, 3166, 3318, 3360, 3792, 4424, 4740, 4749, 5530, 6320, 6332, 6636, 7584, 7915, 8295, 8848, 9480, 9498, 11060, 11081, 12640, 12664, 13272, 15830, 16590, 17696, 18960, 18996, 22120, 22162, 23745, 25328, 26544, 31660, 33180, 33243, 37920, 37992, 44240, 44324, 47490, 50656, 53088, 55405, 63320, 66360, 66486, 75984, 88480, 88648, 94980, 110810, 125057, 126640, 132720, 132972, 151968, 166215, 177296, 189960, 221620, 250114, 253280, 265440, 265944, 332430, 354592, 375171, 379920, 443240, 500228, 531888, 625285, 664860, 750342, 759840, 875399, 886480, 1000456, 1063776, 1250570, 1329720, 1500684, 1750798, 1772960, 1875855, 2000912, 2501140, 2626197, 2659440, 3001368, 3501596, 3751710, 4001824, 4376995, 5002280, 5252394, 5318880, 6002736, 7003192, 7503420, 8753990, 10004560, 10504788, 12005472, 13130985, 14006384, 15006840, 17507980, 20009120, 21009576, 26261970, 28012768, 30013680, 35015960, 42019152, 52523940, 60027360, 70031920, 84038304, 105047880, 140063840, 210095760, 420191520]

約数ペア:

[(1, 420191520), (2, 210095760), (3, 140063840), (4, 105047880), (5, 84038304), (6, 70031920), (7, 60027360), (8, 52523940), (10, 42019152), (12, 35015960), (14, 30013680), (15, 28012768), (16, 26261970), (20, 21009576), (21, 20009120), (24, 17507980), (28, 15006840), (30, 14006384), (32, 13130985), (35, 12005472), (40, 10504788), (42, 10004560), (48, 8753990), (56, 7503420), (60, 7003192), (70, 6002736), (79, 5318880), (80, 5252394), (84, 5002280), (96, 4376995), (105, 4001824), (112, 3751710), (120, 3501596), (140, 3001368), (158, 2659440), (160, 2626197), (168, 2501140), (210, 2000912), (224, 1875855), (237, 1772960), (240, 1750798), (280, 1500684), (316, 1329720), (336, 1250570), (395, 1063776), (420, 1000456), (474, 886480), (480, 875399), (553, 759840), (560, 750342), (632, 664860), (672, 625285), (790, 531888), (840, 500228), (948, 443240), (1106, 379920), (1120, 375171), (1185, 354592), (1264, 332430), (1580, 265944), (1583, 265440), (1659, 253280), (1680, 250114), (1896, 221620), (2212, 189960), (2370, 177296), (2528, 166215), (2765, 151968), (3160, 132972), (3166, 132720), (3318, 126640), (3360, 125057), (3792, 110810), (4424, 94980), (4740, 88648), (4749, 88480), (5530, 75984), (6320, 66486), (6332, 66360), (6636, 63320), (7584, 55405), (7915, 53088), (8295, 50656), (8848, 47490), (9480, 44324), (9498, 44240), (11060, 37992), (11081, 37920), (12640, 33243), (12664, 33180), (13272, 31660), (15830, 26544), (16590, 25328), (17696, 23745), (18960, 22162), (18996, 22120)]