78884080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5273}}^1$

素因数の和:5314

約数の個数: 80

約数和(自身を含む): 211888224

約数和(自身を除く): 133004144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 5273, 7480, 10546, 14960, 21092, 26365, 42184, 52730, 58003, 84368, 89641, 105460, 116006, 179282, 210920, 232012, 290015, 358564, 421840, 448205, 464024, 580030, 717128, 896410, 928048, 986051, 1160060, 1434256, 1792820, 1972102, 2320120, 3585640, 3944204, 4640240, 4930255, 7171280, 7888408, 9860510, 15776816, 19721020, 39442040, 78884080]

約数ペア:

[(1, 78884080), (2, 39442040), (4, 19721020), (5, 15776816), (8, 9860510), (10, 7888408), (11, 7171280), (16, 4930255), (17, 4640240), (20, 3944204), (22, 3585640), (34, 2320120), (40, 1972102), (44, 1792820), (55, 1434256), (68, 1160060), (80, 986051), (85, 928048), (88, 896410), (110, 717128), (136, 580030), (170, 464024), (176, 448205), (187, 421840), (220, 358564), (272, 290015), (340, 232012), (374, 210920), (440, 179282), (680, 116006), (748, 105460), (880, 89641), (935, 84368), (1360, 58003), (1496, 52730), (1870, 42184), (2992, 26365), (3740, 21092), (5273, 14960), (7480, 10546)]