87970120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1489}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 227433600

約数和(自身を除く): 139463480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1489, 1688, 2110, 2954, 2978, 4220, 5908, 5956, 7385, 7445, 8440, 10423, 11816, 11912, 14770, 14890, 20846, 29540, 29780, 41692, 52115, 59080, 59560, 83384, 104230, 208460, 314179, 416920, 628358, 1256716, 1570895, 2199253, 2513432, 3141790, 4398506, 6283580, 8797012, 10996265, 12567160, 17594024, 21992530, 43985060, 87970120]

約数ペア:

[(1, 87970120), (2, 43985060), (4, 21992530), (5, 17594024), (7, 12567160), (8, 10996265), (10, 8797012), (14, 6283580), (20, 4398506), (28, 3141790), (35, 2513432), (40, 2199253), (56, 1570895), (70, 1256716), (140, 628358), (211, 416920), (280, 314179), (422, 208460), (844, 104230), (1055, 83384), (1477, 59560), (1489, 59080), (1688, 52115), (2110, 41692), (2954, 29780), (2978, 29540), (4220, 20846), (5908, 14890), (5956, 14770), (7385, 11912), (7445, 11816), (8440, 10423)]