78913980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:796

約数の個数: 96

約数和(自身を含む): 246818880

約数和(自身を除く): 167904900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 317, 461, 540, 634, 922, 951, 1268, 1383, 1585, 1844, 1902, 2305, 2766, 2853, 3170, 3804, 4149, 4610, 4755, 5532, 5706, 6340, 6915, 8298, 8559, 9220, 9510, 11412, 12447, 13830, 14265, 16596, 17118, 19020, 20745, 24894, 27660, 28530, 34236, 41490, 42795, 49788, 57060, 62235, 82980, 85590, 124470, 146137, 171180, 248940, 292274, 438411, 584548, 730685, 876822, 1315233, 1461370, 1753644, 2192055, 2630466, 2922740, 3945699, 4384110, 5260932, 6576165, 7891398, 8768220, 13152330, 15782796, 19728495, 26304660, 39456990, 78913980]

約数ペア:

[(1, 78913980), (2, 39456990), (3, 26304660), (4, 19728495), (5, 15782796), (6, 13152330), (9, 8768220), (10, 7891398), (12, 6576165), (15, 5260932), (18, 4384110), (20, 3945699), (27, 2922740), (30, 2630466), (36, 2192055), (45, 1753644), (54, 1461370), (60, 1315233), (90, 876822), (108, 730685), (135, 584548), (180, 438411), (270, 292274), (317, 248940), (461, 171180), (540, 146137), (634, 124470), (922, 85590), (951, 82980), (1268, 62235), (1383, 57060), (1585, 49788), (1844, 42795), (1902, 41490), (2305, 34236), (2766, 28530), (2853, 27660), (3170, 24894), (3804, 20745), (4149, 19020), (4610, 17118), (4755, 16596), (5532, 14265), (5706, 13830), (6340, 12447), (6915, 11412), (8298, 9510), (8559, 9220)]