77642740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 210430080

約数和(自身を除く): 132787340

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 101, 119, 133, 140, 170, 190, 202, 238, 266, 289, 323, 340, 380, 404, 476, 505, 532, 578, 595, 646, 665, 707, 1010, 1156, 1190, 1292, 1330, 1414, 1445, 1615, 1717, 1919, 2020, 2023, 2261, 2380, 2660, 2828, 2890, 3230, 3434, 3535, 3838, 4046, 4522, 5491, 5780, 6460, 6868, 7070, 7676, 8092, 8585, 9044, 9595, 10115, 10982, 11305, 12019, 13433, 14140, 17170, 19190, 20230, 21964, 22610, 24038, 26866, 27455, 29189, 32623, 34340, 38380, 38437, 40460, 45220, 48076, 53732, 54910, 58378, 60095, 65246, 67165, 76874, 109820, 116756, 120190, 130492, 134330, 145945, 153748, 163115, 192185, 204323, 228361, 240380, 268660, 291890, 326230, 384370, 408646, 456722, 554591, 583780, 652460, 768740, 817292, 913444, 1021615, 1109182, 1141805, 2043230, 2218364, 2283610, 2772955, 3882137, 4086460, 4567220, 5545910, 7764274, 11091820, 15528548, 19410685, 38821370, 77642740]

約数ペア:

[(1, 77642740), (2, 38821370), (4, 19410685), (5, 15528548), (7, 11091820), (10, 7764274), (14, 5545910), (17, 4567220), (19, 4086460), (20, 3882137), (28, 2772955), (34, 2283610), (35, 2218364), (38, 2043230), (68, 1141805), (70, 1109182), (76, 1021615), (85, 913444), (95, 817292), (101, 768740), (119, 652460), (133, 583780), (140, 554591), (170, 456722), (190, 408646), (202, 384370), (238, 326230), (266, 291890), (289, 268660), (323, 240380), (340, 228361), (380, 204323), (404, 192185), (476, 163115), (505, 153748), (532, 145945), (578, 134330), (595, 130492), (646, 120190), (665, 116756), (707, 109820), (1010, 76874), (1156, 67165), (1190, 65246), (1292, 60095), (1330, 58378), (1414, 54910), (1445, 53732), (1615, 48076), (1717, 45220), (1919, 40460), (2020, 38437), (2023, 38380), (2261, 34340), (2380, 32623), (2660, 29189), (2828, 27455), (2890, 26866), (3230, 24038), (3434, 22610), (3535, 21964), (3838, 20230), (4046, 19190), (4522, 17170), (5491, 14140), (5780, 13433), (6460, 12019), (6868, 11305), (7070, 10982), (7676, 10115), (8092, 9595), (8585, 9044)]