90845460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 294053760

約数和(自身を除く): 203208300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 101, 114, 171, 180, 190, 202, 228, 263, 285, 303, 342, 380, 404, 505, 526, 570, 606, 684, 789, 855, 909, 1010, 1052, 1140, 1212, 1315, 1515, 1578, 1710, 1818, 1919, 2020, 2367, 2630, 3030, 3156, 3420, 3636, 3838, 3945, 4545, 4734, 4997, 5260, 5757, 6060, 7676, 7890, 9090, 9468, 9595, 9994, 11514, 11835, 14991, 15780, 17271, 18180, 19190, 19988, 23028, 23670, 24985, 26563, 28785, 29982, 34542, 38380, 44973, 47340, 49970, 53126, 57570, 59964, 69084, 74955, 79689, 86355, 89946, 99940, 106252, 115140, 132815, 149910, 159378, 172710, 179892, 224865, 239067, 265630, 299820, 318756, 345420, 398445, 449730, 478134, 504697, 531260, 796890, 899460, 956268, 1009394, 1195335, 1514091, 1593780, 2018788, 2390670, 2523485, 3028182, 4542273, 4781340, 5046970, 6056364, 7570455, 9084546, 10093940, 15140910, 18169092, 22711365, 30281820, 45422730, 90845460]

約数ペア:

[(1, 90845460), (2, 45422730), (3, 30281820), (4, 22711365), (5, 18169092), (6, 15140910), (9, 10093940), (10, 9084546), (12, 7570455), (15, 6056364), (18, 5046970), (19, 4781340), (20, 4542273), (30, 3028182), (36, 2523485), (38, 2390670), (45, 2018788), (57, 1593780), (60, 1514091), (76, 1195335), (90, 1009394), (95, 956268), (101, 899460), (114, 796890), (171, 531260), (180, 504697), (190, 478134), (202, 449730), (228, 398445), (263, 345420), (285, 318756), (303, 299820), (342, 265630), (380, 239067), (404, 224865), (505, 179892), (526, 172710), (570, 159378), (606, 149910), (684, 132815), (789, 115140), (855, 106252), (909, 99940), (1010, 89946), (1052, 86355), (1140, 79689), (1212, 74955), (1315, 69084), (1515, 59964), (1578, 57570), (1710, 53126), (1818, 49970), (1919, 47340), (2020, 44973), (2367, 38380), (2630, 34542), (3030, 29982), (3156, 28785), (3420, 26563), (3636, 24985), (3838, 23670), (3945, 23028), (4545, 19988), (4734, 19190), (4997, 18180), (5260, 17271), (5757, 15780), (6060, 14991), (7676, 11835), (7890, 11514), (9090, 9994), (9468, 9595)]