812220120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:870

約数の個数: 192

約数和(自身を含む): 2742854400

約数和(自身を除く): 1930634280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 71, 72, 86, 90, 120, 129, 142, 172, 180, 213, 215, 258, 284, 344, 355, 360, 387, 426, 430, 516, 568, 639, 645, 710, 739, 774, 852, 860, 1032, 1065, 1278, 1290, 1420, 1478, 1548, 1704, 1720, 1935, 2130, 2217, 2556, 2580, 2840, 2956, 3053, 3096, 3195, 3695, 3870, 4260, 4434, 5112, 5160, 5912, 6106, 6390, 6651, 7390, 7740, 8520, 8868, 9159, 11085, 12212, 12780, 13302, 14780, 15265, 15480, 17736, 18318, 22170, 24424, 25560, 26604, 27477, 29560, 30530, 31777, 33255, 36636, 44340, 45795, 52469, 53208, 54954, 61060, 63554, 66510, 73272, 88680, 91590, 95331, 104938, 109908, 122120, 127108, 133020, 137385, 157407, 158885, 183180, 190662, 209876, 219816, 254216, 262345, 266040, 274770, 285993, 314814, 317770, 366360, 381324, 419752, 472221, 476655, 524690, 549540, 571986, 629628, 635540, 762648, 787035, 944442, 953310, 1049380, 1099080, 1143972, 1259256, 1271080, 1429965, 1574070, 1888884, 1906620, 2098760, 2256167, 2287944, 2361105, 2859930, 3148140, 3777768, 3813240, 4512334, 4722210, 5719860, 6296280, 6768501, 9024668, 9444420, 11280835, 11439720, 13537002, 18049336, 18888840, 20305503, 22561670, 27074004, 33842505, 40611006, 45123340, 54148008, 67685010, 81222012, 90246680, 101527515, 135370020, 162444024, 203055030, 270740040, 406110060, 812220120]

約数ペア:

[(1, 812220120), (2, 406110060), (3, 270740040), (4, 203055030), (5, 162444024), (6, 135370020), (8, 101527515), (9, 90246680), (10, 81222012), (12, 67685010), (15, 54148008), (18, 45123340), (20, 40611006), (24, 33842505), (30, 27074004), (36, 22561670), (40, 20305503), (43, 18888840), (45, 18049336), (60, 13537002), (71, 11439720), (72, 11280835), (86, 9444420), (90, 9024668), (120, 6768501), (129, 6296280), (142, 5719860), (172, 4722210), (180, 4512334), (213, 3813240), (215, 3777768), (258, 3148140), (284, 2859930), (344, 2361105), (355, 2287944), (360, 2256167), (387, 2098760), (426, 1906620), (430, 1888884), (516, 1574070), (568, 1429965), (639, 1271080), (645, 1259256), (710, 1143972), (739, 1099080), (774, 1049380), (852, 953310), (860, 944442), (1032, 787035), (1065, 762648), (1278, 635540), (1290, 629628), (1420, 571986), (1478, 549540), (1548, 524690), (1704, 476655), (1720, 472221), (1935, 419752), (2130, 381324), (2217, 366360), (2556, 317770), (2580, 314814), (2840, 285993), (2956, 274770), (3053, 266040), (3096, 262345), (3195, 254216), (3695, 219816), (3870, 209876), (4260, 190662), (4434, 183180), (5112, 158885), (5160, 157407), (5912, 137385), (6106, 133020), (6390, 127108), (6651, 122120), (7390, 109908), (7740, 104938), (8520, 95331), (8868, 91590), (9159, 88680), (11085, 73272), (12212, 66510), (12780, 63554), (13302, 61060), (14780, 54954), (15265, 53208), (15480, 52469), (17736, 45795), (18318, 44340), (22170, 36636), (24424, 33255), (25560, 31777), (26604, 30530), (27477, 29560)]