64837920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:887

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 179017440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 839, 840, 920, 966, 1104, 1120, 1288, 1380, 1610, 1678, 1680, 1840, 1932, 2208, 2415, 2517, 2576, 2760, 3220, 3356, 3360, 3680, 3864, 4195, 4830, 5034, 5152, 5520, 5873, 6440, 6712, 7728, 8390, 9660, 10068, 11040, 11746, 12585, 12880, 13424, 15456, 16780, 17619, 19297, 19320, 20136, 23492, 25170, 25760, 26848, 29365, 33560, 35238, 38594, 38640, 40272, 46984, 50340, 57891, 58730, 67120, 70476, 77188, 77280, 80544, 88095, 93968, 96485, 100680, 115782, 117460, 134240, 135079, 140952, 154376, 176190, 187936, 192970, 201360, 231564, 234920, 270158, 281904, 289455, 308752, 352380, 385940, 402720, 405237, 463128, 469840, 540316, 563808, 578910, 617504, 675395, 704760, 771880, 810474, 926256, 939680, 1080632, 1157820, 1350790, 1409520, 1543760, 1620948, 1852512, 2026185, 2161264, 2315640, 2701580, 2819040, 3087520, 3241896, 4052370, 4322528, 4631280, 5403160, 6483792, 8104740, 9262560, 10806320, 12967584, 16209480, 21612640, 32418960, 64837920]

約数ペア:

[(1, 64837920), (2, 32418960), (3, 21612640), (4, 16209480), (5, 12967584), (6, 10806320), (7, 9262560), (8, 8104740), (10, 6483792), (12, 5403160), (14, 4631280), (15, 4322528), (16, 4052370), (20, 3241896), (21, 3087520), (23, 2819040), (24, 2701580), (28, 2315640), (30, 2161264), (32, 2026185), (35, 1852512), (40, 1620948), (42, 1543760), (46, 1409520), (48, 1350790), (56, 1157820), (60, 1080632), (69, 939680), (70, 926256), (80, 810474), (84, 771880), (92, 704760), (96, 675395), (105, 617504), (112, 578910), (115, 563808), (120, 540316), (138, 469840), (140, 463128), (160, 405237), (161, 402720), (168, 385940), (184, 352380), (210, 308752), (224, 289455), (230, 281904), (240, 270158), (276, 234920), (280, 231564), (322, 201360), (336, 192970), (345, 187936), (368, 176190), (420, 154376), (460, 140952), (480, 135079), (483, 134240), (552, 117460), (560, 115782), (644, 100680), (672, 96485), (690, 93968), (736, 88095), (805, 80544), (839, 77280), (840, 77188), (920, 70476), (966, 67120), (1104, 58730), (1120, 57891), (1288, 50340), (1380, 46984), (1610, 40272), (1678, 38640), (1680, 38594), (1840, 35238), (1932, 33560), (2208, 29365), (2415, 26848), (2517, 25760), (2576, 25170), (2760, 23492), (3220, 20136), (3356, 19320), (3360, 19297), (3680, 17619), (3864, 16780), (4195, 15456), (4830, 13424), (5034, 12880), (5152, 12585), (5520, 11746), (5873, 11040), (6440, 10068), (6712, 9660), (7728, 8390)]