320228080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2203}}^1$

素因数の和:2318

約数の個数: 80

約数和(自身を含む): 787092480

約数和(自身を除く): 466864400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 230, 316, 368, 395, 460, 632, 790, 920, 1264, 1580, 1817, 1840, 2203, 3160, 3634, 4406, 6320, 7268, 8812, 9085, 11015, 14536, 17624, 18170, 22030, 29072, 35248, 36340, 44060, 50669, 72680, 88120, 101338, 145360, 174037, 176240, 202676, 253345, 348074, 405352, 506690, 696148, 810704, 870185, 1013380, 1392296, 1740370, 2026760, 2784592, 3480740, 4002851, 4053520, 6961480, 8005702, 13922960, 16011404, 20014255, 32022808, 40028510, 64045616, 80057020, 160114040, 320228080]

約数ペア:

[(1, 320228080), (2, 160114040), (4, 80057020), (5, 64045616), (8, 40028510), (10, 32022808), (16, 20014255), (20, 16011404), (23, 13922960), (40, 8005702), (46, 6961480), (79, 4053520), (80, 4002851), (92, 3480740), (115, 2784592), (158, 2026760), (184, 1740370), (230, 1392296), (316, 1013380), (368, 870185), (395, 810704), (460, 696148), (632, 506690), (790, 405352), (920, 348074), (1264, 253345), (1580, 202676), (1817, 176240), (1840, 174037), (2203, 145360), (3160, 101338), (3634, 88120), (4406, 72680), (6320, 50669), (7268, 44060), (8812, 36340), (9085, 35248), (11015, 29072), (14536, 22030), (17624, 18170)]