80978160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4271}}^1$

素因数の和:4366

約数の個数: 80

約数和(自身を含む): 254269440

約数和(自身を除く): 173291280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4271, 4740, 6320, 8542, 9480, 12813, 17084, 18960, 21355, 25626, 34168, 42710, 51252, 64065, 68336, 85420, 102504, 128130, 170840, 205008, 256260, 337409, 341680, 512520, 674818, 1012227, 1025040, 1349636, 1687045, 2024454, 2699272, 3374090, 4048908, 5061135, 5398544, 6748180, 8097816, 10122270, 13496360, 16195632, 20244540, 26992720, 40489080, 80978160]

約数ペア:

[(1, 80978160), (2, 40489080), (3, 26992720), (4, 20244540), (5, 16195632), (6, 13496360), (8, 10122270), (10, 8097816), (12, 6748180), (15, 5398544), (16, 5061135), (20, 4048908), (24, 3374090), (30, 2699272), (40, 2024454), (48, 1687045), (60, 1349636), (79, 1025040), (80, 1012227), (120, 674818), (158, 512520), (237, 341680), (240, 337409), (316, 256260), (395, 205008), (474, 170840), (632, 128130), (790, 102504), (948, 85420), (1185, 68336), (1264, 64065), (1580, 51252), (1896, 42710), (2370, 34168), (3160, 25626), (3792, 21355), (4271, 18960), (4740, 17084), (6320, 12813), (8542, 9480)]