72800640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1$

素因数の和:422

約数の個数: 256

約数和(自身を含む): 282009600

約数和(自身を除く): 209208960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 383, 384, 396, 432, 440, 480, 495, 528, 540, 576, 594, 640, 660, 704, 720, 766, 792, 864, 880, 960, 990, 1056, 1080, 1149, 1152, 1188, 1320, 1408, 1440, 1485, 1532, 1584, 1728, 1760, 1915, 1920, 1980, 2112, 2160, 2298, 2376, 2640, 2880, 2970, 3064, 3168, 3447, 3456, 3520, 3830, 3960, 4213, 4224, 4320, 4596, 4752, 5280, 5745, 5760, 5940, 6128, 6336, 6894, 7040, 7660, 7920, 8426, 8640, 9192, 9504, 10341, 10560, 11490, 11880, 12256, 12639, 12672, 13788, 15320, 15840, 16852, 17235, 17280, 18384, 19008, 20682, 21065, 21120, 22980, 23760, 24512, 25278, 27576, 30640, 31680, 33704, 34470, 36768, 37917, 38016, 41364, 42130, 45960, 47520, 49024, 50556, 51705, 55152, 61280, 63195, 63360, 67408, 68940, 73536, 75834, 82728, 84260, 91920, 95040, 101112, 103410, 110304, 113751, 122560, 126390, 134816, 137880, 147072, 151668, 165456, 168520, 183840, 189585, 190080, 202224, 206820, 220608, 227502, 245120, 252780, 269632, 275760, 303336, 330912, 337040, 367680, 379170, 404448, 413640, 441216, 455004, 505560, 539264, 551520, 568755, 606672, 661824, 674080, 735360, 758340, 808896, 827280, 910008, 1011120, 1103040, 1137510, 1213344, 1323648, 1348160, 1516680, 1617792, 1654560, 1820016, 2022240, 2206080, 2275020, 2426688, 2696320, 3033360, 3309120, 3640032, 4044480, 4550040, 4853376, 6066720, 6618240, 7280064, 8088960, 9100080, 12133440, 14560128, 18200160, 24266880, 36400320, 72800640]

約数ペア:

[(1, 72800640), (2, 36400320), (3, 24266880), (4, 18200160), (5, 14560128), (6, 12133440), (8, 9100080), (9, 8088960), (10, 7280064), (11, 6618240), (12, 6066720), (15, 4853376), (16, 4550040), (18, 4044480), (20, 3640032), (22, 3309120), (24, 3033360), (27, 2696320), (30, 2426688), (32, 2275020), (33, 2206080), (36, 2022240), (40, 1820016), (44, 1654560), (45, 1617792), (48, 1516680), (54, 1348160), (55, 1323648), (60, 1213344), (64, 1137510), (66, 1103040), (72, 1011120), (80, 910008), (88, 827280), (90, 808896), (96, 758340), (99, 735360), (108, 674080), (110, 661824), (120, 606672), (128, 568755), (132, 551520), (135, 539264), (144, 505560), (160, 455004), (165, 441216), (176, 413640), (180, 404448), (192, 379170), (198, 367680), (216, 337040), (220, 330912), (240, 303336), (264, 275760), (270, 269632), (288, 252780), (297, 245120), (320, 227502), (330, 220608), (352, 206820), (360, 202224), (383, 190080), (384, 189585), (396, 183840), (432, 168520), (440, 165456), (480, 151668), (495, 147072), (528, 137880), (540, 134816), (576, 126390), (594, 122560), (640, 113751), (660, 110304), (704, 103410), (720, 101112), (766, 95040), (792, 91920), (864, 84260), (880, 82728), (960, 75834), (990, 73536), (1056, 68940), (1080, 67408), (1149, 63360), (1152, 63195), (1188, 61280), (1320, 55152), (1408, 51705), (1440, 50556), (1485, 49024), (1532, 47520), (1584, 45960), (1728, 42130), (1760, 41364), (1915, 38016), (1920, 37917), (1980, 36768), (2112, 34470), (2160, 33704), (2298, 31680), (2376, 30640), (2640, 27576), (2880, 25278), (2970, 24512), (3064, 23760), (3168, 22980), (3447, 21120), (3456, 21065), (3520, 20682), (3830, 19008), (3960, 18384), (4213, 17280), (4224, 17235), (4320, 16852), (4596, 15840), (4752, 15320), (5280, 13788), (5745, 12672), (5760, 12639), (5940, 12256), (6128, 11880), (6336, 11490), (6894, 10560), (7040, 10341), (7660, 9504), (7920, 9192), (8426, 8640)]