80667960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1039}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 242611200

約数和(自身を除く): 161943240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1039, 1294, 1941, 2078, 2588, 3117, 3235, 3882, 4156, 5176, 5195, 6234, 6470, 7764, 8312, 9705, 10390, 12468, 12940, 15528, 15585, 19410, 20780, 24936, 25880, 31170, 38820, 41560, 62340, 77640, 124680, 672233, 1344466, 2016699, 2688932, 3361165, 4033398, 5377864, 6722330, 8066796, 10083495, 13444660, 16133592, 20166990, 26889320, 40333980, 80667960]

約数ペア:

[(1, 80667960), (2, 40333980), (3, 26889320), (4, 20166990), (5, 16133592), (6, 13444660), (8, 10083495), (10, 8066796), (12, 6722330), (15, 5377864), (20, 4033398), (24, 3361165), (30, 2688932), (40, 2016699), (60, 1344466), (120, 672233), (647, 124680), (1039, 77640), (1294, 62340), (1941, 41560), (2078, 38820), (2588, 31170), (3117, 25880), (3235, 24936), (3882, 20780), (4156, 19410), (5176, 15585), (5195, 15528), (6234, 12940), (6470, 12468), (7764, 10390), (8312, 9705)]