320709760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4211}}^1$

素因数の和:4254

約数の個数: 128

約数和(自身を含む): 927987840

約数和(自身を除く): 607278080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4211, 4480, 4760, 5440, 7616, 8422, 9520, 10880, 15232, 16844, 19040, 21055, 29477, 33688, 38080, 42110, 58954, 67376, 71587, 76160, 84220, 117908, 134752, 143174, 147385, 168440, 235816, 269504, 286348, 294770, 336880, 357935, 471632, 501109, 539008, 572696, 589540, 673760, 715870, 943264, 1002218, 1145392, 1179080, 1347520, 1431740, 1886528, 2004436, 2290784, 2358160, 2505545, 2695040, 2863480, 3773056, 4008872, 4581568, 4716320, 5011090, 5726960, 8017744, 9163136, 9432640, 10022180, 11453920, 16035488, 18865280, 20044360, 22907840, 32070976, 40088720, 45815680, 64141952, 80177440, 160354880, 320709760]

約数ペア:

[(1, 320709760), (2, 160354880), (4, 80177440), (5, 64141952), (7, 45815680), (8, 40088720), (10, 32070976), (14, 22907840), (16, 20044360), (17, 18865280), (20, 16035488), (28, 11453920), (32, 10022180), (34, 9432640), (35, 9163136), (40, 8017744), (56, 5726960), (64, 5011090), (68, 4716320), (70, 4581568), (80, 4008872), (85, 3773056), (112, 2863480), (119, 2695040), (128, 2505545), (136, 2358160), (140, 2290784), (160, 2004436), (170, 1886528), (224, 1431740), (238, 1347520), (272, 1179080), (280, 1145392), (320, 1002218), (340, 943264), (448, 715870), (476, 673760), (544, 589540), (560, 572696), (595, 539008), (640, 501109), (680, 471632), (896, 357935), (952, 336880), (1088, 294770), (1120, 286348), (1190, 269504), (1360, 235816), (1904, 168440), (2176, 147385), (2240, 143174), (2380, 134752), (2720, 117908), (3808, 84220), (4211, 76160), (4480, 71587), (4760, 67376), (5440, 58954), (7616, 42110), (8422, 38080), (9520, 33688), (10880, 29477), (15232, 21055), (16844, 19040)]