31187280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 97315200

約数和(自身を除く): 66127920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 653, 796, 995, 1194, 1306, 1592, 1959, 1990, 2388, 2612, 2985, 3184, 3265, 3918, 3980, 4776, 5224, 5970, 6530, 7836, 7960, 9552, 9795, 10448, 11940, 13060, 15672, 15920, 19590, 23880, 26120, 31344, 39180, 47760, 52240, 78360, 129947, 156720, 259894, 389841, 519788, 649735, 779682, 1039576, 1299470, 1559364, 1949205, 2079152, 2598940, 3118728, 3898410, 5197880, 6237456, 7796820, 10395760, 15593640, 31187280]

約数ペア:

[(1, 31187280), (2, 15593640), (3, 10395760), (4, 7796820), (5, 6237456), (6, 5197880), (8, 3898410), (10, 3118728), (12, 2598940), (15, 2079152), (16, 1949205), (20, 1559364), (24, 1299470), (30, 1039576), (40, 779682), (48, 649735), (60, 519788), (80, 389841), (120, 259894), (199, 156720), (240, 129947), (398, 78360), (597, 52240), (653, 47760), (796, 39180), (995, 31344), (1194, 26120), (1306, 23880), (1592, 19590), (1959, 15920), (1990, 15672), (2388, 13060), (2612, 11940), (2985, 10448), (3184, 9795), (3265, 9552), (3918, 7960), (3980, 7836), (4776, 6530), (5224, 5970)]