31951440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 108326400

約数和(自身を除く): 76374960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 223, 240, 360, 398, 446, 597, 669, 720, 796, 892, 995, 1115, 1194, 1338, 1592, 1784, 1791, 1990, 2007, 2230, 2388, 2676, 2985, 3184, 3345, 3568, 3582, 3980, 4014, 4460, 4776, 5352, 5970, 6690, 7164, 7960, 8028, 8920, 8955, 9552, 10035, 10704, 11940, 13380, 14328, 15920, 16056, 17840, 17910, 20070, 23880, 26760, 28656, 32112, 35820, 40140, 44377, 47760, 53520, 71640, 80280, 88754, 133131, 143280, 160560, 177508, 221885, 266262, 355016, 399393, 443770, 532524, 665655, 710032, 798786, 887540, 1065048, 1331310, 1597572, 1775080, 1996965, 2130096, 2662620, 3195144, 3550160, 3993930, 5325240, 6390288, 7987860, 10650480, 15975720, 31951440]

約数ペア:

[(1, 31951440), (2, 15975720), (3, 10650480), (4, 7987860), (5, 6390288), (6, 5325240), (8, 3993930), (9, 3550160), (10, 3195144), (12, 2662620), (15, 2130096), (16, 1996965), (18, 1775080), (20, 1597572), (24, 1331310), (30, 1065048), (36, 887540), (40, 798786), (45, 710032), (48, 665655), (60, 532524), (72, 443770), (80, 399393), (90, 355016), (120, 266262), (144, 221885), (180, 177508), (199, 160560), (223, 143280), (240, 133131), (360, 88754), (398, 80280), (446, 71640), (597, 53520), (669, 47760), (720, 44377), (796, 40140), (892, 35820), (995, 32112), (1115, 28656), (1194, 26760), (1338, 23880), (1592, 20070), (1784, 17910), (1791, 17840), (1990, 16056), (2007, 15920), (2230, 14328), (2388, 13380), (2676, 11940), (2985, 10704), (3184, 10035), (3345, 9552), (3568, 8955), (3582, 8920), (3980, 8028), (4014, 7960), (4460, 7164), (4776, 6690), (5352, 5970)]