31123920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3163}}^1$

素因数の和:3220

約数の個数: 80

約数和(自身を含む): 98868672

約数和(自身を除く): 67744752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3163, 3280, 4920, 6326, 9489, 9840, 12652, 15815, 18978, 25304, 31630, 37956, 47445, 50608, 63260, 75912, 94890, 126520, 129683, 151824, 189780, 253040, 259366, 379560, 389049, 518732, 648415, 759120, 778098, 1037464, 1296830, 1556196, 1945245, 2074928, 2593660, 3112392, 3890490, 5187320, 6224784, 7780980, 10374640, 15561960, 31123920]

約数ペア:

[(1, 31123920), (2, 15561960), (3, 10374640), (4, 7780980), (5, 6224784), (6, 5187320), (8, 3890490), (10, 3112392), (12, 2593660), (15, 2074928), (16, 1945245), (20, 1556196), (24, 1296830), (30, 1037464), (40, 778098), (41, 759120), (48, 648415), (60, 518732), (80, 389049), (82, 379560), (120, 259366), (123, 253040), (164, 189780), (205, 151824), (240, 129683), (246, 126520), (328, 94890), (410, 75912), (492, 63260), (615, 50608), (656, 47445), (820, 37956), (984, 31630), (1230, 25304), (1640, 18978), (1968, 15815), (2460, 12652), (3163, 9840), (3280, 9489), (4920, 6326)]