30855480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 92944800

約数和(自身を除く): 62089320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 661, 778, 1167, 1322, 1556, 1945, 1983, 2334, 2644, 3112, 3305, 3890, 3966, 4668, 5288, 5835, 6610, 7780, 7932, 9336, 9915, 11670, 13220, 15560, 15864, 19830, 23340, 26440, 39660, 46680, 79320, 257129, 514258, 771387, 1028516, 1285645, 1542774, 2057032, 2571290, 3085548, 3856935, 5142580, 6171096, 7713870, 10285160, 15427740, 30855480]

約数ペア:

[(1, 30855480), (2, 15427740), (3, 10285160), (4, 7713870), (5, 6171096), (6, 5142580), (8, 3856935), (10, 3085548), (12, 2571290), (15, 2057032), (20, 1542774), (24, 1285645), (30, 1028516), (40, 771387), (60, 514258), (120, 257129), (389, 79320), (661, 46680), (778, 39660), (1167, 26440), (1322, 23340), (1556, 19830), (1945, 15864), (1983, 15560), (2334, 13220), (2644, 11670), (3112, 9915), (3305, 9336), (3890, 7932), (3966, 7780), (4668, 6610), (5288, 5835)]