221591280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3407}}^1$

素因数の和:3694

約数の個数: 80

約数和(自身を含む): 689670144

約数和(自身を除く): 468078864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 3407, 4065, 4336, 5420, 6504, 6814, 8130, 10221, 10840, 13008, 13628, 16260, 17035, 20442, 21680, 27256, 32520, 34070, 40884, 51105, 54512, 65040, 68140, 81768, 102210, 136280, 163536, 204420, 272560, 408840, 817680, 923297, 1846594, 2769891, 3693188, 4616485, 5539782, 7386376, 9232970, 11079564, 13849455, 14772752, 18465940, 22159128, 27698910, 36931880, 44318256, 55397820, 73863760, 110795640, 221591280]

約数ペア:

[(1, 221591280), (2, 110795640), (3, 73863760), (4, 55397820), (5, 44318256), (6, 36931880), (8, 27698910), (10, 22159128), (12, 18465940), (15, 14772752), (16, 13849455), (20, 11079564), (24, 9232970), (30, 7386376), (40, 5539782), (48, 4616485), (60, 3693188), (80, 2769891), (120, 1846594), (240, 923297), (271, 817680), (542, 408840), (813, 272560), (1084, 204420), (1355, 163536), (1626, 136280), (2168, 102210), (2710, 81768), (3252, 68140), (3407, 65040), (4065, 54512), (4336, 51105), (5420, 40884), (6504, 34070), (6814, 32520), (8130, 27256), (10221, 21680), (10840, 20442), (13008, 17035), (13628, 16260)]