78746220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62497}}^1$

素因数の和:62519

約数の個数: 72

約数和(自身を含む): 272991264

約数和(自身を除く): 194245044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62497, 124994, 187491, 249988, 312485, 374982, 437479, 562473, 624970, 749964, 874958, 937455, 1124946, 1249940, 1312437, 1749916, 1874910, 2187395, 2249892, 2624874, 2812365, 3749820, 3937311, 4374790, 5249748, 5624730, 6562185, 7874622, 8749580, 11249460, 13124370, 15749244, 19686555, 26248740, 39373110, 78746220]

約数ペア:

[(1, 78746220), (2, 39373110), (3, 26248740), (4, 19686555), (5, 15749244), (6, 13124370), (7, 11249460), (9, 8749580), (10, 7874622), (12, 6562185), (14, 5624730), (15, 5249748), (18, 4374790), (20, 3937311), (21, 3749820), (28, 2812365), (30, 2624874), (35, 2249892), (36, 2187395), (42, 1874910), (45, 1749916), (60, 1312437), (63, 1249940), (70, 1124946), (84, 937455), (90, 874958), (105, 749964), (126, 624970), (140, 562473), (180, 437479), (210, 374982), (252, 312485), (315, 249988), (420, 187491), (630, 124994), (1260, 62497)]