311832640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1907}}^1$

素因数の和:2004

約数の個数: 112

約数和(自身を含む): 860706432

約数和(自身を除く): 548873792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 730, 1022, 1120, 1168, 1460, 1907, 2044, 2240, 2336, 2555, 2920, 3814, 4088, 4672, 5110, 5840, 7628, 8176, 9535, 10220, 11680, 13349, 15256, 16352, 19070, 20440, 23360, 26698, 30512, 32704, 38140, 40880, 53396, 61024, 66745, 76280, 81760, 106792, 122048, 133490, 139211, 152560, 163520, 213584, 266980, 278422, 305120, 427168, 533960, 556844, 610240, 696055, 854336, 974477, 1067920, 1113688, 1392110, 1948954, 2135840, 2227376, 2784220, 3897908, 4271680, 4454752, 4872385, 5568440, 7795816, 8909504, 9744770, 11136880, 15591632, 19489540, 22273760, 31183264, 38979080, 44547520, 62366528, 77958160, 155916320, 311832640]

約数ペア:

[(1, 311832640), (2, 155916320), (4, 77958160), (5, 62366528), (7, 44547520), (8, 38979080), (10, 31183264), (14, 22273760), (16, 19489540), (20, 15591632), (28, 11136880), (32, 9744770), (35, 8909504), (40, 7795816), (56, 5568440), (64, 4872385), (70, 4454752), (73, 4271680), (80, 3897908), (112, 2784220), (140, 2227376), (146, 2135840), (160, 1948954), (224, 1392110), (280, 1113688), (292, 1067920), (320, 974477), (365, 854336), (448, 696055), (511, 610240), (560, 556844), (584, 533960), (730, 427168), (1022, 305120), (1120, 278422), (1168, 266980), (1460, 213584), (1907, 163520), (2044, 152560), (2240, 139211), (2336, 133490), (2555, 122048), (2920, 106792), (3814, 81760), (4088, 76280), (4672, 66745), (5110, 61024), (5840, 53396), (7628, 40880), (8176, 38140), (9535, 32704), (10220, 30512), (11680, 26698), (13349, 23360), (15256, 20440), (16352, 19070)]