2620720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 80

約数和(自身を含む): 6749568

約数和(自身を除く): 4128848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 47, 68, 80, 82, 85, 94, 136, 164, 170, 188, 205, 235, 272, 328, 340, 376, 410, 470, 656, 680, 697, 752, 799, 820, 940, 1360, 1394, 1598, 1640, 1880, 1927, 2788, 3196, 3280, 3485, 3760, 3854, 3995, 5576, 6392, 6970, 7708, 7990, 9635, 11152, 12784, 13940, 15416, 15980, 19270, 27880, 30832, 31960, 32759, 38540, 55760, 63920, 65518, 77080, 131036, 154160, 163795, 262072, 327590, 524144, 655180, 1310360, 2620720]

約数ペア:

[(1, 2620720), (2, 1310360), (4, 655180), (5, 524144), (8, 327590), (10, 262072), (16, 163795), (17, 154160), (20, 131036), (34, 77080), (40, 65518), (41, 63920), (47, 55760), (68, 38540), (80, 32759), (82, 31960), (85, 30832), (94, 27880), (136, 19270), (164, 15980), (170, 15416), (188, 13940), (205, 12784), (235, 11152), (272, 9635), (328, 7990), (340, 7708), (376, 6970), (410, 6392), (470, 5576), (656, 3995), (680, 3854), (697, 3760), (752, 3485), (799, 3280), (820, 3196), (940, 2788), (1360, 1927), (1394, 1880), (1598, 1640)]