15870400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 168

約数和(自身を含む): 48503840

約数和(自身を除く): 32633440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 109, 112, 130, 140, 160, 175, 182, 200, 208, 218, 224, 260, 280, 320, 325, 350, 364, 400, 416, 436, 448, 455, 520, 545, 560, 650, 700, 728, 763, 800, 832, 872, 910, 1040, 1090, 1120, 1300, 1400, 1417, 1456, 1526, 1600, 1744, 1820, 2080, 2180, 2240, 2275, 2600, 2725, 2800, 2834, 2912, 3052, 3488, 3640, 3815, 4160, 4360, 4550, 5200, 5450, 5600, 5668, 5824, 6104, 6976, 7085, 7280, 7630, 8720, 9100, 9919, 10400, 10900, 11200, 11336, 12208, 14170, 14560, 15260, 17440, 18200, 19075, 19838, 20800, 21800, 22672, 24416, 28340, 29120, 30520, 34880, 35425, 36400, 38150, 39676, 43600, 45344, 48832, 49595, 56680, 61040, 70850, 72800, 76300, 79352, 87200, 90688, 99190, 113360, 122080, 141700, 145600, 152600, 158704, 174400, 198380, 226720, 244160, 247975, 283400, 305200, 317408, 396760, 453440, 495950, 566800, 610400, 634816, 793520, 991900, 1133600, 1220800, 1587040, 1983800, 2267200, 3174080, 3967600, 7935200, 15870400]

約数ペア:

[(1, 15870400), (2, 7935200), (4, 3967600), (5, 3174080), (7, 2267200), (8, 1983800), (10, 1587040), (13, 1220800), (14, 1133600), (16, 991900), (20, 793520), (25, 634816), (26, 610400), (28, 566800), (32, 495950), (35, 453440), (40, 396760), (50, 317408), (52, 305200), (56, 283400), (64, 247975), (65, 244160), (70, 226720), (80, 198380), (91, 174400), (100, 158704), (104, 152600), (109, 145600), (112, 141700), (130, 122080), (140, 113360), (160, 99190), (175, 90688), (182, 87200), (200, 79352), (208, 76300), (218, 72800), (224, 70850), (260, 61040), (280, 56680), (320, 49595), (325, 48832), (350, 45344), (364, 43600), (400, 39676), (416, 38150), (436, 36400), (448, 35425), (455, 34880), (520, 30520), (545, 29120), (560, 28340), (650, 24416), (700, 22672), (728, 21800), (763, 20800), (800, 19838), (832, 19075), (872, 18200), (910, 17440), (1040, 15260), (1090, 14560), (1120, 14170), (1300, 12208), (1400, 11336), (1417, 11200), (1456, 10900), (1526, 10400), (1600, 9919), (1744, 9100), (1820, 8720), (2080, 7630), (2180, 7280), (2240, 7085), (2275, 6976), (2600, 6104), (2725, 5824), (2800, 5668), (2834, 5600), (2912, 5450), (3052, 5200), (3488, 4550), (3640, 4360), (3815, 4160)]