72157200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 233223168

約数和(自身を除く): 161065968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 157, 200, 240, 300, 314, 383, 400, 471, 600, 628, 766, 785, 942, 1149, 1200, 1256, 1532, 1570, 1884, 1915, 2298, 2355, 2512, 3064, 3140, 3768, 3830, 3925, 4596, 4710, 5745, 6128, 6280, 7536, 7660, 7850, 9192, 9420, 9575, 11490, 11775, 12560, 15320, 15700, 18384, 18840, 19150, 22980, 23550, 28725, 30640, 31400, 37680, 38300, 45960, 47100, 57450, 60131, 62800, 76600, 91920, 94200, 114900, 120262, 153200, 180393, 188400, 229800, 240524, 300655, 360786, 459600, 481048, 601310, 721572, 901965, 962096, 1202620, 1443144, 1503275, 1803930, 2405240, 2886288, 3006550, 3607860, 4509825, 4810480, 6013100, 7215720, 9019650, 12026200, 14431440, 18039300, 24052400, 36078600, 72157200]

約数ペア:

[(1, 72157200), (2, 36078600), (3, 24052400), (4, 18039300), (5, 14431440), (6, 12026200), (8, 9019650), (10, 7215720), (12, 6013100), (15, 4810480), (16, 4509825), (20, 3607860), (24, 3006550), (25, 2886288), (30, 2405240), (40, 1803930), (48, 1503275), (50, 1443144), (60, 1202620), (75, 962096), (80, 901965), (100, 721572), (120, 601310), (150, 481048), (157, 459600), (200, 360786), (240, 300655), (300, 240524), (314, 229800), (383, 188400), (400, 180393), (471, 153200), (600, 120262), (628, 114900), (766, 94200), (785, 91920), (942, 76600), (1149, 62800), (1200, 60131), (1256, 57450), (1532, 47100), (1570, 45960), (1884, 38300), (1915, 37680), (2298, 31400), (2355, 30640), (2512, 28725), (3064, 23550), (3140, 22980), (3768, 19150), (3830, 18840), (3925, 18384), (4596, 15700), (4710, 15320), (5745, 12560), (6128, 11775), (6280, 11490), (7536, 9575), (7660, 9420), (7850, 9192)]