128907960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2447}}^1$

素因数の和:2900

約数の個数: 64

約数和(自身を含む): 387763200

約数和(自身を除く): 258855240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 439, 878, 1317, 1756, 2195, 2447, 2634, 3512, 4390, 4894, 5268, 6585, 7341, 8780, 9788, 10536, 12235, 13170, 14682, 17560, 19576, 24470, 26340, 29364, 36705, 48940, 52680, 58728, 73410, 97880, 146820, 293640, 1074233, 2148466, 3222699, 4296932, 5371165, 6445398, 8593864, 10742330, 12890796, 16113495, 21484660, 25781592, 32226990, 42969320, 64453980, 128907960]

約数ペア:

[(1, 128907960), (2, 64453980), (3, 42969320), (4, 32226990), (5, 25781592), (6, 21484660), (8, 16113495), (10, 12890796), (12, 10742330), (15, 8593864), (20, 6445398), (24, 5371165), (30, 4296932), (40, 3222699), (60, 2148466), (120, 1074233), (439, 293640), (878, 146820), (1317, 97880), (1756, 73410), (2195, 58728), (2447, 52680), (2634, 48940), (3512, 36705), (4390, 29364), (4894, 26340), (5268, 24470), (6585, 19576), (7341, 17560), (8780, 14682), (9788, 13170), (10536, 12235)]