78166480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1439}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 209986560

約数和(自身を除く): 131820080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1439, 1552, 1940, 2716, 2878, 3395, 3880, 5432, 5756, 6790, 7195, 7760, 10073, 10864, 11512, 13580, 14390, 20146, 23024, 27160, 28780, 40292, 50365, 54320, 57560, 80584, 100730, 115120, 139583, 161168, 201460, 279166, 402920, 558332, 697915, 805840, 977081, 1116664, 1395830, 1954162, 2233328, 2791660, 3908324, 4885405, 5583320, 7816648, 9770810, 11166640, 15633296, 19541620, 39083240, 78166480]

約数ペア:

[(1, 78166480), (2, 39083240), (4, 19541620), (5, 15633296), (7, 11166640), (8, 9770810), (10, 7816648), (14, 5583320), (16, 4885405), (20, 3908324), (28, 2791660), (35, 2233328), (40, 1954162), (56, 1395830), (70, 1116664), (80, 977081), (97, 805840), (112, 697915), (140, 558332), (194, 402920), (280, 279166), (388, 201460), (485, 161168), (560, 139583), (679, 115120), (776, 100730), (970, 80584), (1358, 57560), (1439, 54320), (1552, 50365), (1940, 40292), (2716, 28780), (2878, 27160), (3395, 23024), (3880, 20146), (5432, 14390), (5756, 13580), (6790, 11512), (7195, 10864), (7760, 10073)]