31373440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 88128000

約数和(自身を除く): 56754560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 149, 160, 188, 224, 235, 280, 298, 320, 329, 376, 448, 470, 560, 596, 640, 658, 745, 752, 896, 940, 1043, 1120, 1192, 1316, 1490, 1504, 1645, 1880, 2086, 2240, 2384, 2632, 2980, 3008, 3290, 3760, 4172, 4480, 4768, 5215, 5264, 5960, 6016, 6580, 7003, 7520, 8344, 9536, 10430, 10528, 11920, 13160, 14006, 15040, 16688, 19072, 20860, 21056, 23840, 26320, 28012, 30080, 33376, 35015, 41720, 42112, 47680, 49021, 52640, 56024, 66752, 70030, 83440, 95360, 98042, 105280, 112048, 133504, 140060, 166880, 196084, 210560, 224096, 245105, 280120, 333760, 392168, 448192, 490210, 560240, 667520, 784336, 896384, 980420, 1120480, 1568672, 1960840, 2240960, 3137344, 3921680, 4481920, 6274688, 7843360, 15686720, 31373440]

約数ペア:

[(1, 31373440), (2, 15686720), (4, 7843360), (5, 6274688), (7, 4481920), (8, 3921680), (10, 3137344), (14, 2240960), (16, 1960840), (20, 1568672), (28, 1120480), (32, 980420), (35, 896384), (40, 784336), (47, 667520), (56, 560240), (64, 490210), (70, 448192), (80, 392168), (94, 333760), (112, 280120), (128, 245105), (140, 224096), (149, 210560), (160, 196084), (188, 166880), (224, 140060), (235, 133504), (280, 112048), (298, 105280), (320, 98042), (329, 95360), (376, 83440), (448, 70030), (470, 66752), (560, 56024), (596, 52640), (640, 49021), (658, 47680), (745, 42112), (752, 41720), (896, 35015), (940, 33376), (1043, 30080), (1120, 28012), (1192, 26320), (1316, 23840), (1490, 21056), (1504, 20860), (1645, 19072), (1880, 16688), (2086, 15040), (2240, 14006), (2384, 13160), (2632, 11920), (2980, 10528), (3008, 10430), (3290, 9536), (3760, 8344), (4172, 7520), (4480, 7003), (4768, 6580), (5215, 6016), (5264, 5960)]