201575440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1640

約数の個数: 80

約数和(自身を含む): 514877760

約数和(自身を除く): 313302320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 220, 314, 440, 628, 785, 880, 1256, 1459, 1570, 1727, 2512, 2918, 3140, 3454, 5836, 6280, 6908, 7295, 8635, 11672, 12560, 13816, 14590, 16049, 17270, 23344, 27632, 29180, 32098, 34540, 58360, 64196, 69080, 80245, 116720, 128392, 138160, 160490, 229063, 256784, 320980, 458126, 641960, 916252, 1145315, 1283920, 1832504, 2290630, 2519693, 3665008, 4581260, 5039386, 9162520, 10078772, 12598465, 18325040, 20157544, 25196930, 40315088, 50393860, 100787720, 201575440]

約数ペア:

[(1, 201575440), (2, 100787720), (4, 50393860), (5, 40315088), (8, 25196930), (10, 20157544), (11, 18325040), (16, 12598465), (20, 10078772), (22, 9162520), (40, 5039386), (44, 4581260), (55, 3665008), (80, 2519693), (88, 2290630), (110, 1832504), (157, 1283920), (176, 1145315), (220, 916252), (314, 641960), (440, 458126), (628, 320980), (785, 256784), (880, 229063), (1256, 160490), (1459, 138160), (1570, 128392), (1727, 116720), (2512, 80245), (2918, 69080), (3140, 64196), (3454, 58360), (5836, 34540), (6280, 32098), (6908, 29180), (7295, 27632), (8635, 23344), (11672, 17270), (12560, 16049), (13816, 14590)]