81771200

素因数分解:

$2^6\times 5^2\times 7^3\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 168

約数和(自身を含む): 236220000

約数和(自身を除く): 154448800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 149, 160, 175, 196, 200, 224, 245, 280, 298, 320, 343, 350, 392, 400, 448, 490, 560, 596, 686, 700, 745, 784, 800, 980, 1043, 1120, 1192, 1225, 1372, 1400, 1490, 1568, 1600, 1715, 1960, 2086, 2240, 2384, 2450, 2744, 2800, 2980, 3136, 3430, 3725, 3920, 4172, 4768, 4900, 5215, 5488, 5600, 5960, 6860, 7301, 7450, 7840, 8344, 8575, 9536, 9800, 10430, 10976, 11200, 11920, 13720, 14602, 14900, 15680, 16688, 17150, 19600, 20860, 21952, 23840, 26075, 27440, 29204, 29800, 33376, 34300, 36505, 39200, 41720, 47680, 51107, 52150, 54880, 58408, 59600, 66752, 68600, 73010, 78400, 83440, 102214, 104300, 109760, 116816, 119200, 137200, 146020, 166880, 182525, 204428, 208600, 233632, 238400, 255535, 274400, 292040, 333760, 365050, 408856, 417200, 467264, 511070, 548800, 584080, 730100, 817712, 834400, 1022140, 1168160, 1277675, 1460200, 1635424, 1668800, 2044280, 2336320, 2555350, 2920400, 3270848, 4088560, 5110700, 5840800, 8177120, 10221400, 11681600, 16354240, 20442800, 40885600, 81771200]

約数ペア:

[(1, 81771200), (2, 40885600), (4, 20442800), (5, 16354240), (7, 11681600), (8, 10221400), (10, 8177120), (14, 5840800), (16, 5110700), (20, 4088560), (25, 3270848), (28, 2920400), (32, 2555350), (35, 2336320), (40, 2044280), (49, 1668800), (50, 1635424), (56, 1460200), (64, 1277675), (70, 1168160), (80, 1022140), (98, 834400), (100, 817712), (112, 730100), (140, 584080), (149, 548800), (160, 511070), (175, 467264), (196, 417200), (200, 408856), (224, 365050), (245, 333760), (280, 292040), (298, 274400), (320, 255535), (343, 238400), (350, 233632), (392, 208600), (400, 204428), (448, 182525), (490, 166880), (560, 146020), (596, 137200), (686, 119200), (700, 116816), (745, 109760), (784, 104300), (800, 102214), (980, 83440), (1043, 78400), (1120, 73010), (1192, 68600), (1225, 66752), (1372, 59600), (1400, 58408), (1490, 54880), (1568, 52150), (1600, 51107), (1715, 47680), (1960, 41720), (2086, 39200), (2240, 36505), (2384, 34300), (2450, 33376), (2744, 29800), (2800, 29204), (2980, 27440), (3136, 26075), (3430, 23840), (3725, 21952), (3920, 20860), (4172, 19600), (4768, 17150), (4900, 16688), (5215, 15680), (5488, 14900), (5600, 14602), (5960, 13720), (6860, 11920), (7301, 11200), (7450, 10976), (7840, 10430), (8344, 9800), (8575, 9536)]