72080000

素因数分解:

$2^7\times 5^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 160

約数和(自身を含む): 193578660

約数和(自身を除く): 121498660

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 53, 64, 68, 80, 85, 100, 106, 125, 128, 136, 160, 170, 200, 212, 250, 265, 272, 320, 340, 400, 424, 425, 500, 530, 544, 625, 640, 680, 800, 848, 850, 901, 1000, 1060, 1088, 1250, 1325, 1360, 1600, 1696, 1700, 1802, 2000, 2120, 2125, 2176, 2500, 2650, 2720, 3200, 3392, 3400, 3604, 4000, 4240, 4250, 4505, 5000, 5300, 5440, 6625, 6784, 6800, 7208, 8000, 8480, 8500, 9010, 10000, 10600, 10625, 10880, 13250, 13600, 14416, 16000, 16960, 17000, 18020, 20000, 21200, 21250, 22525, 26500, 27200, 28832, 33125, 33920, 34000, 36040, 40000, 42400, 42500, 45050, 53000, 54400, 57664, 66250, 68000, 72080, 80000, 84800, 85000, 90100, 106000, 112625, 115328, 132500, 136000, 144160, 169600, 170000, 180200, 212000, 225250, 265000, 272000, 288320, 340000, 360400, 424000, 450500, 530000, 563125, 576640, 680000, 720800, 848000, 901000, 1060000, 1126250, 1360000, 1441600, 1802000, 2120000, 2252500, 2883200, 3604000, 4240000, 4505000, 7208000, 9010000, 14416000, 18020000, 36040000, 72080000]

約数ペア:

[(1, 72080000), (2, 36040000), (4, 18020000), (5, 14416000), (8, 9010000), (10, 7208000), (16, 4505000), (17, 4240000), (20, 3604000), (25, 2883200), (32, 2252500), (34, 2120000), (40, 1802000), (50, 1441600), (53, 1360000), (64, 1126250), (68, 1060000), (80, 901000), (85, 848000), (100, 720800), (106, 680000), (125, 576640), (128, 563125), (136, 530000), (160, 450500), (170, 424000), (200, 360400), (212, 340000), (250, 288320), (265, 272000), (272, 265000), (320, 225250), (340, 212000), (400, 180200), (424, 170000), (425, 169600), (500, 144160), (530, 136000), (544, 132500), (625, 115328), (640, 112625), (680, 106000), (800, 90100), (848, 85000), (850, 84800), (901, 80000), (1000, 72080), (1060, 68000), (1088, 66250), (1250, 57664), (1325, 54400), (1360, 53000), (1600, 45050), (1696, 42500), (1700, 42400), (1802, 40000), (2000, 36040), (2120, 34000), (2125, 33920), (2176, 33125), (2500, 28832), (2650, 27200), (2720, 26500), (3200, 22525), (3392, 21250), (3400, 21200), (3604, 20000), (4000, 18020), (4240, 17000), (4250, 16960), (4505, 16000), (5000, 14416), (5300, 13600), (5440, 13250), (6625, 10880), (6784, 10625), (6800, 10600), (7208, 10000), (8000, 9010), (8480, 8500)]