319950

素因数分解:

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

素因数の和:103

約数の個数: 60

約数和(自身を含む): 900240

約数和(自身を除く): 580290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 79, 81, 90, 135, 150, 158, 162, 225, 237, 270, 395, 405, 450, 474, 675, 711, 790, 810, 1185, 1350, 1422, 1975, 2025, 2133, 2370, 3555, 3950, 4050, 4266, 5925, 6399, 7110, 10665, 11850, 12798, 17775, 21330, 31995, 35550, 53325, 63990, 106650, 159975, 319950]

約数ペア:

[(1, 319950), (2, 159975), (3, 106650), (5, 63990), (6, 53325), (9, 35550), (10, 31995), (15, 21330), (18, 17775), (25, 12798), (27, 11850), (30, 10665), (45, 7110), (50, 6399), (54, 5925), (75, 4266), (79, 4050), (81, 3950), (90, 3555), (135, 2370), (150, 2133), (158, 2025), (162, 1975), (225, 1422), (237, 1350), (270, 1185), (395, 810), (405, 790), (450, 711), (474, 675)]