27958980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66569}}^1$

素因数の和:66588

約数の個数: 48

約数和(自身を含む): 89470080

約数和(自身を除く): 61511100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66569, 133138, 199707, 266276, 332845, 399414, 465983, 665690, 798828, 931966, 998535, 1331380, 1397949, 1863932, 1997070, 2329915, 2795898, 3994140, 4659830, 5591796, 6989745, 9319660, 13979490, 27958980]

約数ペア:

[(1, 27958980), (2, 13979490), (3, 9319660), (4, 6989745), (5, 5591796), (6, 4659830), (7, 3994140), (10, 2795898), (12, 2329915), (14, 1997070), (15, 1863932), (20, 1397949), (21, 1331380), (28, 998535), (30, 931966), (35, 798828), (42, 665690), (60, 465983), (70, 399414), (84, 332845), (105, 266276), (140, 199707), (210, 133138), (420, 66569)]