162681680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{647}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 433900800

約数和(自身を除く): 271219120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 449, 560, 647, 898, 1294, 1796, 2245, 2588, 3143, 3235, 3592, 4490, 4529, 5176, 6286, 6470, 7184, 8980, 9058, 10352, 12572, 12940, 15715, 17960, 18116, 22645, 25144, 25880, 31430, 35920, 36232, 45290, 50288, 51760, 62860, 72464, 90580, 125720, 181160, 251440, 290503, 362320, 581006, 1162012, 1452515, 2033521, 2324024, 2905030, 4067042, 4648048, 5810060, 8134084, 10167605, 11620120, 16268168, 20335210, 23240240, 32536336, 40670420, 81340840, 162681680]

約数ペア:

[(1, 162681680), (2, 81340840), (4, 40670420), (5, 32536336), (7, 23240240), (8, 20335210), (10, 16268168), (14, 11620120), (16, 10167605), (20, 8134084), (28, 5810060), (35, 4648048), (40, 4067042), (56, 2905030), (70, 2324024), (80, 2033521), (112, 1452515), (140, 1162012), (280, 581006), (449, 362320), (560, 290503), (647, 251440), (898, 181160), (1294, 125720), (1796, 90580), (2245, 72464), (2588, 62860), (3143, 51760), (3235, 50288), (3592, 45290), (4490, 36232), (4529, 35920), (5176, 31430), (6286, 25880), (6470, 25144), (7184, 22645), (8980, 18116), (9058, 17960), (10352, 15715), (12572, 12940)]