1980570720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{967}}^1$

素因数の和:1253

約数の個数: 192

約数和(自身を含む): 6638962176

約数和(自身を除く): 4658391456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 251, 255, 272, 340, 408, 480, 502, 510, 544, 680, 753, 816, 967, 1004, 1020, 1255, 1360, 1506, 1632, 1934, 2008, 2040, 2510, 2720, 2901, 3012, 3765, 3868, 4016, 4080, 4267, 4835, 5020, 5802, 6024, 7530, 7736, 8032, 8160, 8534, 9670, 10040, 11604, 12048, 12801, 14505, 15060, 15472, 16439, 17068, 19340, 20080, 21335, 23208, 24096, 25602, 29010, 30120, 30944, 32878, 34136, 38680, 40160, 42670, 46416, 49317, 51204, 58020, 60240, 64005, 65756, 68272, 77360, 82195, 85340, 92832, 98634, 102408, 116040, 120480, 128010, 131512, 136544, 154720, 164390, 170680, 197268, 204816, 232080, 242717, 246585, 256020, 263024, 328780, 341360, 394536, 409632, 464160, 485434, 493170, 512040, 526048, 657560, 682720, 728151, 789072, 970868, 986340, 1024080, 1213585, 1315120, 1456302, 1578144, 1941736, 1972680, 2048160, 2427170, 2630240, 2912604, 3640755, 3883472, 3945360, 4126189, 4854340, 5825208, 7281510, 7766944, 7890720, 8252378, 9708680, 11650416, 12378567, 14563020, 16504756, 19417360, 20630945, 23300832, 24757134, 29126040, 33009512, 38834720, 41261890, 49514268, 58252080, 61892835, 66019024, 82523780, 99028536, 116504160, 123785670, 132038048, 165047560, 198057072, 247571340, 330095120, 396114144, 495142680, 660190240, 990285360, 1980570720]

約数ペア:

[(1, 1980570720), (2, 990285360), (3, 660190240), (4, 495142680), (5, 396114144), (6, 330095120), (8, 247571340), (10, 198057072), (12, 165047560), (15, 132038048), (16, 123785670), (17, 116504160), (20, 99028536), (24, 82523780), (30, 66019024), (32, 61892835), (34, 58252080), (40, 49514268), (48, 41261890), (51, 38834720), (60, 33009512), (68, 29126040), (80, 24757134), (85, 23300832), (96, 20630945), (102, 19417360), (120, 16504756), (136, 14563020), (160, 12378567), (170, 11650416), (204, 9708680), (240, 8252378), (251, 7890720), (255, 7766944), (272, 7281510), (340, 5825208), (408, 4854340), (480, 4126189), (502, 3945360), (510, 3883472), (544, 3640755), (680, 2912604), (753, 2630240), (816, 2427170), (967, 2048160), (1004, 1972680), (1020, 1941736), (1255, 1578144), (1360, 1456302), (1506, 1315120), (1632, 1213585), (1934, 1024080), (2008, 986340), (2040, 970868), (2510, 789072), (2720, 728151), (2901, 682720), (3012, 657560), (3765, 526048), (3868, 512040), (4016, 493170), (4080, 485434), (4267, 464160), (4835, 409632), (5020, 394536), (5802, 341360), (6024, 328780), (7530, 263024), (7736, 256020), (8032, 246585), (8160, 242717), (8534, 232080), (9670, 204816), (10040, 197268), (11604, 170680), (12048, 164390), (12801, 154720), (14505, 136544), (15060, 131512), (15472, 128010), (16439, 120480), (17068, 116040), (19340, 102408), (20080, 98634), (21335, 92832), (23208, 85340), (24096, 82195), (25602, 77360), (29010, 68272), (30120, 65756), (30944, 64005), (32878, 60240), (34136, 58020), (38680, 51204), (40160, 49317), (42670, 46416)]