72400480

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4229}}^1$

素因数の和:4351

約数の個数: 48

約数和(自身を含む): 172685520

約数和(自身を除く): 100285040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 2140, 3424, 4229, 4280, 8458, 8560, 16916, 17120, 21145, 33832, 42290, 67664, 84580, 135328, 169160, 338320, 452503, 676640, 905006, 1810012, 2262515, 3620024, 4525030, 7240048, 9050060, 14480096, 18100120, 36200240, 72400480]

約数ペア:

[(1, 72400480), (2, 36200240), (4, 18100120), (5, 14480096), (8, 9050060), (10, 7240048), (16, 4525030), (20, 3620024), (32, 2262515), (40, 1810012), (80, 905006), (107, 676640), (160, 452503), (214, 338320), (428, 169160), (535, 135328), (856, 84580), (1070, 67664), (1712, 42290), (2140, 33832), (3424, 21145), (4229, 17120), (4280, 16916), (8458, 8560)]