157515560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 361912320

約数和(自身を除く): 204396760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 127, 202, 254, 307, 404, 505, 508, 614, 635, 808, 1010, 1016, 1228, 1270, 1535, 2020, 2456, 2540, 3070, 4040, 5080, 6140, 12280, 12827, 25654, 31007, 38989, 51308, 62014, 64135, 77978, 102616, 124028, 128270, 155035, 155956, 194945, 248056, 256540, 310070, 311912, 389890, 513080, 620140, 779780, 1240280, 1559560, 3937889, 7875778, 15751556, 19689445, 31503112, 39378890, 78757780, 157515560]

約数ペア:

[(1, 157515560), (2, 78757780), (4, 39378890), (5, 31503112), (8, 19689445), (10, 15751556), (20, 7875778), (40, 3937889), (101, 1559560), (127, 1240280), (202, 779780), (254, 620140), (307, 513080), (404, 389890), (505, 311912), (508, 310070), (614, 256540), (635, 248056), (808, 194945), (1010, 155956), (1016, 155035), (1228, 128270), (1270, 124028), (1535, 102616), (2020, 77978), (2456, 64135), (2540, 62014), (3070, 51308), (4040, 38989), (5080, 31007), (6140, 25654), (12280, 12827)]