80454720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2012

約数の個数: 112

約数和(自身を含む): 261518400

約数和(自身を除く): 181063680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 480, 516, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1949, 2064, 2580, 2752, 3440, 3898, 4128, 5160, 5847, 6880, 7796, 8256, 9745, 10320, 11694, 13760, 15592, 19490, 20640, 23388, 29235, 31184, 38980, 41280, 46776, 58470, 62368, 77960, 83807, 93552, 116940, 124736, 155920, 167614, 187104, 233880, 251421, 311840, 335228, 374208, 419035, 467760, 502842, 623680, 670456, 838070, 935520, 1005684, 1257105, 1340912, 1676140, 1871040, 2011368, 2514210, 2681824, 3352280, 4022736, 5028420, 5363648, 6704560, 8045472, 10056840, 13409120, 16090944, 20113680, 26818240, 40227360, 80454720]

約数ペア:

[(1, 80454720), (2, 40227360), (3, 26818240), (4, 20113680), (5, 16090944), (6, 13409120), (8, 10056840), (10, 8045472), (12, 6704560), (15, 5363648), (16, 5028420), (20, 4022736), (24, 3352280), (30, 2681824), (32, 2514210), (40, 2011368), (43, 1871040), (48, 1676140), (60, 1340912), (64, 1257105), (80, 1005684), (86, 935520), (96, 838070), (120, 670456), (129, 623680), (160, 502842), (172, 467760), (192, 419035), (215, 374208), (240, 335228), (258, 311840), (320, 251421), (344, 233880), (430, 187104), (480, 167614), (516, 155920), (645, 124736), (688, 116940), (860, 93552), (960, 83807), (1032, 77960), (1290, 62368), (1376, 58470), (1720, 46776), (1949, 41280), (2064, 38980), (2580, 31184), (2752, 29235), (3440, 23388), (3898, 20640), (4128, 19490), (5160, 15592), (5847, 13760), (6880, 11694), (7796, 10320), (8256, 9745)]