19898280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1831

約数の個数: 96

約数和(自身を含む): 66792960

約数和(自身を除く): 46894680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1783, 1860, 2232, 2790, 3566, 3720, 5349, 5580, 7132, 8915, 10698, 11160, 14264, 16047, 17830, 21396, 26745, 32094, 35660, 42792, 53490, 55273, 64188, 71320, 80235, 106980, 110546, 128376, 160470, 165819, 213960, 221092, 276365, 320940, 331638, 442184, 497457, 552730, 641880, 663276, 829095, 994914, 1105460, 1326552, 1658190, 1989828, 2210920, 2487285, 3316380, 3979656, 4974570, 6632760, 9949140, 19898280]

約数ペア:

[(1, 19898280), (2, 9949140), (3, 6632760), (4, 4974570), (5, 3979656), (6, 3316380), (8, 2487285), (9, 2210920), (10, 1989828), (12, 1658190), (15, 1326552), (18, 1105460), (20, 994914), (24, 829095), (30, 663276), (31, 641880), (36, 552730), (40, 497457), (45, 442184), (60, 331638), (62, 320940), (72, 276365), (90, 221092), (93, 213960), (120, 165819), (124, 160470), (155, 128376), (180, 110546), (186, 106980), (248, 80235), (279, 71320), (310, 64188), (360, 55273), (372, 53490), (465, 42792), (558, 35660), (620, 32094), (744, 26745), (930, 21396), (1116, 17830), (1240, 16047), (1395, 14264), (1783, 11160), (1860, 10698), (2232, 8915), (2790, 7132), (3566, 5580), (3720, 5349)]