31449960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 102960000

約数和(自身を除く): 71510040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 360, 398, 439, 597, 796, 878, 995, 1194, 1317, 1592, 1756, 1791, 1990, 2195, 2388, 2634, 2985, 3512, 3582, 3951, 3980, 4390, 4776, 5268, 5970, 6585, 7164, 7902, 7960, 8780, 8955, 10536, 11940, 13170, 14328, 15804, 17560, 17910, 19755, 23880, 26340, 31608, 35820, 39510, 52680, 71640, 79020, 87361, 158040, 174722, 262083, 349444, 436805, 524166, 698888, 786249, 873610, 1048332, 1310415, 1572498, 1747220, 2096664, 2620830, 3144996, 3494440, 3931245, 5241660, 6289992, 7862490, 10483320, 15724980, 31449960]

約数ペア:

[(1, 31449960), (2, 15724980), (3, 10483320), (4, 7862490), (5, 6289992), (6, 5241660), (8, 3931245), (9, 3494440), (10, 3144996), (12, 2620830), (15, 2096664), (18, 1747220), (20, 1572498), (24, 1310415), (30, 1048332), (36, 873610), (40, 786249), (45, 698888), (60, 524166), (72, 436805), (90, 349444), (120, 262083), (180, 174722), (199, 158040), (360, 87361), (398, 79020), (439, 71640), (597, 52680), (796, 39510), (878, 35820), (995, 31608), (1194, 26340), (1317, 23880), (1592, 19755), (1756, 17910), (1791, 17560), (1990, 15804), (2195, 14328), (2388, 13170), (2634, 11940), (2985, 10536), (3512, 8955), (3582, 8780), (3951, 7960), (3980, 7902), (4390, 7164), (4776, 6585), (5268, 5970)]