78702080

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 80

約数和(自身を含む): 191800224

約数和(自身を除く): 113098144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 433, 512, 568, 640, 710, 866, 1136, 1280, 1420, 1732, 2165, 2272, 2560, 2840, 3464, 4330, 4544, 5680, 6928, 8660, 9088, 11360, 13856, 17320, 18176, 22720, 27712, 30743, 34640, 36352, 45440, 55424, 61486, 69280, 90880, 110848, 122972, 138560, 153715, 181760, 221696, 245944, 277120, 307430, 491888, 554240, 614860, 983776, 1108480, 1229720, 1967552, 2459440, 3935104, 4918880, 7870208, 9837760, 15740416, 19675520, 39351040, 78702080]

約数ペア:

[(1, 78702080), (2, 39351040), (4, 19675520), (5, 15740416), (8, 9837760), (10, 7870208), (16, 4918880), (20, 3935104), (32, 2459440), (40, 1967552), (64, 1229720), (71, 1108480), (80, 983776), (128, 614860), (142, 554240), (160, 491888), (256, 307430), (284, 277120), (320, 245944), (355, 221696), (433, 181760), (512, 153715), (568, 138560), (640, 122972), (710, 110848), (866, 90880), (1136, 69280), (1280, 61486), (1420, 55424), (1732, 45440), (2165, 36352), (2272, 34640), (2560, 30743), (2840, 27712), (3464, 22720), (4330, 18176), (4544, 17320), (5680, 13856), (6928, 11360), (8660, 9088)]