820601280

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 336

約数和(自身を含む): 2992245984

約数和(自身を除く): 2171644704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 173, 180, 183, 192, 216, 240, 243, 244, 270, 288, 305, 320, 324, 346, 360, 366, 405, 432, 480, 486, 488, 519, 540, 549, 576, 610, 648, 692, 720, 732, 810, 864, 865, 915, 960, 972, 976, 1038, 1080, 1098, 1215, 1220, 1296, 1384, 1440, 1464, 1557, 1620, 1647, 1728, 1730, 1830, 1944, 1952, 2076, 2160, 2196, 2430, 2440, 2592, 2595, 2745, 2768, 2880, 2928, 3114, 3240, 3294, 3460, 3660, 3888, 3904, 4152, 4320, 4392, 4671, 4860, 4880, 4941, 5184, 5190, 5490, 5536, 5856, 6228, 6480, 6588, 6920, 7320, 7776, 7785, 8235, 8304, 8640, 8784, 9342, 9720, 9760, 9882, 10380, 10553, 10980, 11072, 11712, 12456, 12960, 13176, 13840, 14013, 14640, 14823, 15552, 15570, 16470, 16608, 17568, 18684, 19440, 19520, 19764, 20760, 21106, 21960, 23355, 24705, 24912, 25920, 26352, 27680, 28026, 29280, 29646, 31140, 31659, 32940, 33216, 35136, 37368, 38880, 39528, 41520, 42039, 42212, 43920, 46710, 49410, 49824, 52704, 52765, 55360, 56052, 58560, 59292, 62280, 63318, 65880, 70065, 74115, 74736, 77760, 79056, 83040, 84078, 84424, 87840, 93420, 94977, 98820, 99648, 105408, 105530, 112104, 118584, 124560, 126636, 131760, 140130, 148230, 149472, 158112, 158295, 166080, 168156, 168848, 175680, 186840, 189954, 197640, 210195, 211060, 224208, 237168, 249120, 253272, 263520, 280260, 284931, 296460, 298944, 316224, 316590, 336312, 337696, 373680, 379908, 395280, 420390, 422120, 448416, 474336, 474885, 498240, 506544, 527040, 560520, 569862, 592920, 633180, 672624, 675392, 747360, 759816, 790560, 840780, 844240, 854793, 896832, 948672, 949770, 1013088, 1121040, 1139724, 1185840, 1266360, 1345248, 1424655, 1494720, 1519632, 1581120, 1681560, 1688480, 1709586, 1899540, 2026176, 2242080, 2279448, 2371680, 2532720, 2564379, 2690496, 2849310, 3039264, 3363120, 3376960, 3419172, 3799080, 4273965, 4484160, 4558896, 4743360, 5065440, 5128758, 5698620, 6078528, 6726240, 6838344, 7598160, 8547930, 9117792, 10130880, 10257516, 11397240, 12821895, 13452480, 13676688, 15196320, 17095860, 18235584, 20515032, 22794480, 25643790, 27353376, 30392640, 34191720, 41030064, 45588960, 51287580, 54706752, 68383440, 82060128, 91177920, 102575160, 136766880, 164120256, 205150320, 273533760, 410300640, 820601280]

約数ペア:

[(1, 820601280), (2, 410300640), (3, 273533760), (4, 205150320), (5, 164120256), (6, 136766880), (8, 102575160), (9, 91177920), (10, 82060128), (12, 68383440), (15, 54706752), (16, 51287580), (18, 45588960), (20, 41030064), (24, 34191720), (27, 30392640), (30, 27353376), (32, 25643790), (36, 22794480), (40, 20515032), (45, 18235584), (48, 17095860), (54, 15196320), (60, 13676688), (61, 13452480), (64, 12821895), (72, 11397240), (80, 10257516), (81, 10130880), (90, 9117792), (96, 8547930), (108, 7598160), (120, 6838344), (122, 6726240), (135, 6078528), (144, 5698620), (160, 5128758), (162, 5065440), (173, 4743360), (180, 4558896), (183, 4484160), (192, 4273965), (216, 3799080), (240, 3419172), (243, 3376960), (244, 3363120), (270, 3039264), (288, 2849310), (305, 2690496), (320, 2564379), (324, 2532720), (346, 2371680), (360, 2279448), (366, 2242080), (405, 2026176), (432, 1899540), (480, 1709586), (486, 1688480), (488, 1681560), (519, 1581120), (540, 1519632), (549, 1494720), (576, 1424655), (610, 1345248), (648, 1266360), (692, 1185840), (720, 1139724), (732, 1121040), (810, 1013088), (864, 949770), (865, 948672), (915, 896832), (960, 854793), (972, 844240), (976, 840780), (1038, 790560), (1080, 759816), (1098, 747360), (1215, 675392), (1220, 672624), (1296, 633180), (1384, 592920), (1440, 569862), (1464, 560520), (1557, 527040), (1620, 506544), (1647, 498240), (1728, 474885), (1730, 474336), (1830, 448416), (1944, 422120), (1952, 420390), (2076, 395280), (2160, 379908), (2196, 373680), (2430, 337696), (2440, 336312), (2592, 316590), (2595, 316224), (2745, 298944), (2768, 296460), (2880, 284931), (2928, 280260), (3114, 263520), (3240, 253272), (3294, 249120), (3460, 237168), (3660, 224208), (3888, 211060), (3904, 210195), (4152, 197640), (4320, 189954), (4392, 186840), (4671, 175680), (4860, 168848), (4880, 168156), (4941, 166080), (5184, 158295), (5190, 158112), (5490, 149472), (5536, 148230), (5856, 140130), (6228, 131760), (6480, 126636), (6588, 124560), (6920, 118584), (7320, 112104), (7776, 105530), (7785, 105408), (8235, 99648), (8304, 98820), (8640, 94977), (8784, 93420), (9342, 87840), (9720, 84424), (9760, 84078), (9882, 83040), (10380, 79056), (10553, 77760), (10980, 74736), (11072, 74115), (11712, 70065), (12456, 65880), (12960, 63318), (13176, 62280), (13840, 59292), (14013, 58560), (14640, 56052), (14823, 55360), (15552, 52765), (15570, 52704), (16470, 49824), (16608, 49410), (17568, 46710), (18684, 43920), (19440, 42212), (19520, 42039), (19764, 41520), (20760, 39528), (21106, 38880), (21960, 37368), (23355, 35136), (24705, 33216), (24912, 32940), (25920, 31659), (26352, 31140), (27680, 29646), (28026, 29280)]