189897120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{18839}}^1$

素因数の和:18867

約数の個数: 144

約数和(自身を含む): 740638080

約数和(自身を除く): 550740960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 18839, 37678, 56517, 75356, 94195, 113034, 131873, 150712, 169551, 188390, 226068, 263746, 282585, 301424, 339102, 376780, 395619, 452136, 527492, 565170, 602848, 659365, 678204, 753560, 791238, 847755, 904272, 1054984, 1130340, 1186857, 1318730, 1356408, 1507120, 1582476, 1695510, 1808544, 1978095, 2109968, 2260680, 2373714, 2637460, 2712816, 3014240, 3164952, 3391020, 3956190, 4219936, 4521360, 4747428, 5274920, 5425632, 5934285, 6329904, 6782040, 7912380, 9042720, 9494856, 10549840, 11868570, 12659808, 13564080, 15824760, 18989712, 21099680, 23737140, 27128160, 31649520, 37979424, 47474280, 63299040, 94948560, 189897120]

約数ペア:

[(1, 189897120), (2, 94948560), (3, 63299040), (4, 47474280), (5, 37979424), (6, 31649520), (7, 27128160), (8, 23737140), (9, 21099680), (10, 18989712), (12, 15824760), (14, 13564080), (15, 12659808), (16, 11868570), (18, 10549840), (20, 9494856), (21, 9042720), (24, 7912380), (28, 6782040), (30, 6329904), (32, 5934285), (35, 5425632), (36, 5274920), (40, 4747428), (42, 4521360), (45, 4219936), (48, 3956190), (56, 3391020), (60, 3164952), (63, 3014240), (70, 2712816), (72, 2637460), (80, 2373714), (84, 2260680), (90, 2109968), (96, 1978095), (105, 1808544), (112, 1695510), (120, 1582476), (126, 1507120), (140, 1356408), (144, 1318730), (160, 1186857), (168, 1130340), (180, 1054984), (210, 904272), (224, 847755), (240, 791238), (252, 753560), (280, 678204), (288, 659365), (315, 602848), (336, 565170), (360, 527492), (420, 452136), (480, 395619), (504, 376780), (560, 339102), (630, 301424), (672, 282585), (720, 263746), (840, 226068), (1008, 188390), (1120, 169551), (1260, 150712), (1440, 131873), (1680, 113034), (2016, 94195), (2520, 75356), (3360, 56517), (5040, 37678), (10080, 18839)]