209953440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{691}}^1$

素因数の和:923

約数の個数: 144

約数和(自身を含む): 720903456

約数和(自身を除く): 510950016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 240, 288, 360, 422, 480, 633, 691, 720, 844, 1055, 1266, 1382, 1440, 1688, 1899, 2073, 2110, 2532, 2764, 3165, 3376, 3455, 3798, 4146, 4220, 5064, 5528, 6219, 6330, 6752, 6910, 7596, 8292, 8440, 9495, 10128, 10365, 11056, 12438, 12660, 13820, 15192, 16584, 16880, 18990, 20256, 20730, 22112, 24876, 25320, 27640, 30384, 31095, 33168, 33760, 37980, 41460, 49752, 50640, 55280, 60768, 62190, 66336, 75960, 82920, 99504, 101280, 110560, 124380, 145801, 151920, 165840, 199008, 248760, 291602, 303840, 331680, 437403, 497520, 583204, 729005, 874806, 995040, 1166408, 1312209, 1458010, 1749612, 2187015, 2332816, 2624418, 2916020, 3499224, 4374030, 4665632, 5248836, 5832040, 6561045, 6998448, 8748060, 10497672, 11664080, 13122090, 13996896, 17496120, 20995344, 23328160, 26244180, 34992240, 41990688, 52488360, 69984480, 104976720, 209953440]

約数ペア:

[(1, 209953440), (2, 104976720), (3, 69984480), (4, 52488360), (5, 41990688), (6, 34992240), (8, 26244180), (9, 23328160), (10, 20995344), (12, 17496120), (15, 13996896), (16, 13122090), (18, 11664080), (20, 10497672), (24, 8748060), (30, 6998448), (32, 6561045), (36, 5832040), (40, 5248836), (45, 4665632), (48, 4374030), (60, 3499224), (72, 2916020), (80, 2624418), (90, 2332816), (96, 2187015), (120, 1749612), (144, 1458010), (160, 1312209), (180, 1166408), (211, 995040), (240, 874806), (288, 729005), (360, 583204), (422, 497520), (480, 437403), (633, 331680), (691, 303840), (720, 291602), (844, 248760), (1055, 199008), (1266, 165840), (1382, 151920), (1440, 145801), (1688, 124380), (1899, 110560), (2073, 101280), (2110, 99504), (2532, 82920), (2764, 75960), (3165, 66336), (3376, 62190), (3455, 60768), (3798, 55280), (4146, 50640), (4220, 49752), (5064, 41460), (5528, 37980), (6219, 33760), (6330, 33168), (6752, 31095), (6910, 30384), (7596, 27640), (8292, 25320), (8440, 24876), (9495, 22112), (10128, 20730), (10365, 20256), (11056, 18990), (12438, 16880), (12660, 16584), (13820, 15192)]