157685640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{187721}}^1$

素因数の和:187742

約数の個数: 64

約数和(自身を含む): 540639360

約数和(自身を除く): 382953720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 187721, 375442, 563163, 750884, 938605, 1126326, 1314047, 1501768, 1877210, 2252652, 2628094, 2815815, 3754420, 3942141, 4505304, 5256188, 5631630, 6570235, 7508840, 7884282, 10512376, 11263260, 13140470, 15768564, 19710705, 22526520, 26280940, 31537128, 39421410, 52561880, 78842820, 157685640]

約数ペア:

[(1, 157685640), (2, 78842820), (3, 52561880), (4, 39421410), (5, 31537128), (6, 26280940), (7, 22526520), (8, 19710705), (10, 15768564), (12, 13140470), (14, 11263260), (15, 10512376), (20, 7884282), (21, 7508840), (24, 6570235), (28, 5631630), (30, 5256188), (35, 4505304), (40, 3942141), (42, 3754420), (56, 2815815), (60, 2628094), (70, 2252652), (84, 1877210), (105, 1501768), (120, 1314047), (140, 1126326), (168, 938605), (210, 750884), (280, 563163), (420, 375442), (840, 187721)]