80734420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 196156800

約数和(自身を除く): 115422380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 59, 65, 76, 95, 118, 130, 190, 236, 247, 260, 277, 295, 380, 494, 554, 590, 767, 988, 1108, 1121, 1180, 1235, 1385, 1534, 2242, 2470, 2770, 3068, 3601, 3835, 4484, 4940, 5263, 5540, 5605, 7202, 7670, 10526, 11210, 14404, 14573, 15340, 16343, 18005, 21052, 22420, 26315, 29146, 32686, 36010, 52630, 58292, 65372, 68419, 72020, 72865, 81715, 105260, 136838, 145730, 163430, 212459, 273676, 291460, 310517, 326860, 342095, 424918, 621034, 684190, 849836, 1062295, 1242068, 1368380, 1552585, 2124590, 3105170, 4036721, 4249180, 6210340, 8073442, 16146884, 20183605, 40367210, 80734420]

約数ペア:

[(1, 80734420), (2, 40367210), (4, 20183605), (5, 16146884), (10, 8073442), (13, 6210340), (19, 4249180), (20, 4036721), (26, 3105170), (38, 2124590), (52, 1552585), (59, 1368380), (65, 1242068), (76, 1062295), (95, 849836), (118, 684190), (130, 621034), (190, 424918), (236, 342095), (247, 326860), (260, 310517), (277, 291460), (295, 273676), (380, 212459), (494, 163430), (554, 145730), (590, 136838), (767, 105260), (988, 81715), (1108, 72865), (1121, 72020), (1180, 68419), (1235, 65372), (1385, 58292), (1534, 52630), (2242, 36010), (2470, 32686), (2770, 29146), (3068, 26315), (3601, 22420), (3835, 21052), (4484, 18005), (4940, 16343), (5263, 15340), (5540, 14573), (5605, 14404), (7202, 11210), (7670, 10526)]