81418610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 201761280

約数和(自身を除く): 120342670

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 19, 26, 34, 35, 38, 65, 70, 85, 91, 95, 119, 130, 133, 170, 182, 190, 221, 238, 247, 266, 277, 323, 442, 455, 494, 554, 595, 646, 665, 910, 1105, 1190, 1235, 1330, 1385, 1547, 1615, 1729, 1939, 2210, 2261, 2470, 2770, 3094, 3230, 3458, 3601, 3878, 4199, 4522, 4709, 5263, 7202, 7735, 8398, 8645, 9418, 9695, 10526, 11305, 15470, 17290, 18005, 19390, 20995, 22610, 23545, 25207, 26315, 29393, 32963, 36010, 36841, 41990, 47090, 50414, 52630, 58786, 61217, 65926, 68419, 73682, 89471, 122434, 126035, 136838, 146965, 164815, 178942, 184205, 252070, 293930, 306085, 329630, 342095, 368410, 428519, 447355, 478933, 612170, 626297, 684190, 857038, 894710, 957866, 1163123, 1252594, 2142595, 2326246, 2394665, 3131485, 4285190, 4789330, 5815615, 6262970, 8141861, 11631230, 16283722, 40709305, 81418610]

約数ペア:

[(1, 81418610), (2, 40709305), (5, 16283722), (7, 11631230), (10, 8141861), (13, 6262970), (14, 5815615), (17, 4789330), (19, 4285190), (26, 3131485), (34, 2394665), (35, 2326246), (38, 2142595), (65, 1252594), (70, 1163123), (85, 957866), (91, 894710), (95, 857038), (119, 684190), (130, 626297), (133, 612170), (170, 478933), (182, 447355), (190, 428519), (221, 368410), (238, 342095), (247, 329630), (266, 306085), (277, 293930), (323, 252070), (442, 184205), (455, 178942), (494, 164815), (554, 146965), (595, 136838), (646, 126035), (665, 122434), (910, 89471), (1105, 73682), (1190, 68419), (1235, 65926), (1330, 61217), (1385, 58786), (1547, 52630), (1615, 50414), (1729, 47090), (1939, 41990), (2210, 36841), (2261, 36010), (2470, 32963), (2770, 29393), (3094, 26315), (3230, 25207), (3458, 23545), (3601, 22610), (3878, 20995), (4199, 19390), (4522, 18005), (4709, 17290), (5263, 15470), (7202, 11305), (7735, 10526), (8398, 9695), (8645, 9418)]