80767120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{619}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 215879040

約数和(自身を除く): 135111920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 619, 932, 1165, 1238, 1631, 1864, 2330, 2476, 3095, 3262, 3728, 4333, 4660, 4952, 6190, 6524, 8155, 8666, 9320, 9904, 12380, 13048, 16310, 17332, 18640, 21665, 24760, 26096, 32620, 34664, 43330, 49520, 65240, 69328, 86660, 130480, 144227, 173320, 288454, 346640, 576908, 721135, 1009589, 1153816, 1442270, 2019178, 2307632, 2884540, 4038356, 5047945, 5769080, 8076712, 10095890, 11538160, 16153424, 20191780, 40383560, 80767120]

約数ペア:

[(1, 80767120), (2, 40383560), (4, 20191780), (5, 16153424), (7, 11538160), (8, 10095890), (10, 8076712), (14, 5769080), (16, 5047945), (20, 4038356), (28, 2884540), (35, 2307632), (40, 2019178), (56, 1442270), (70, 1153816), (80, 1009589), (112, 721135), (140, 576908), (233, 346640), (280, 288454), (466, 173320), (560, 144227), (619, 130480), (932, 86660), (1165, 69328), (1238, 65240), (1631, 49520), (1864, 43330), (2330, 34664), (2476, 32620), (3095, 26096), (3262, 24760), (3728, 21665), (4333, 18640), (4660, 17332), (4952, 16310), (6190, 13048), (6524, 12380), (8155, 9904), (8666, 9320)]