812521320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:472

約数の個数: 256

約数和(自身を含む): 2806272000

約数和(自身を除く): 1993750680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 79, 95, 104, 114, 120, 130, 152, 156, 158, 190, 195, 228, 237, 247, 260, 285, 312, 316, 347, 380, 390, 395, 456, 474, 494, 520, 570, 632, 694, 741, 760, 780, 790, 948, 988, 1027, 1041, 1140, 1185, 1235, 1388, 1482, 1501, 1560, 1580, 1735, 1896, 1976, 2054, 2082, 2280, 2370, 2470, 2776, 2964, 3002, 3081, 3160, 3470, 3705, 4108, 4164, 4503, 4511, 4740, 4940, 5135, 5205, 5928, 6004, 6162, 6593, 6940, 7410, 7505, 8216, 8328, 9006, 9022, 9480, 9880, 10270, 10410, 12008, 12324, 13186, 13533, 13880, 14820, 15010, 15405, 18012, 18044, 19513, 19779, 20540, 20820, 22515, 22555, 24648, 26372, 27066, 27413, 29640, 30020, 30810, 32965, 36024, 36088, 39026, 39558, 41080, 41640, 45030, 45110, 52744, 54132, 54826, 58539, 60040, 61620, 65930, 67665, 78052, 79116, 82239, 85709, 90060, 90220, 97565, 98895, 108264, 109652, 117078, 123240, 131860, 135330, 137065, 156104, 158232, 164478, 171418, 180120, 180440, 195130, 197790, 219304, 234156, 257127, 263720, 270660, 274130, 292695, 328956, 342836, 356369, 390260, 395580, 411195, 428545, 468312, 514254, 520847, 541320, 548260, 585390, 657912, 685672, 712738, 780520, 791160, 822390, 857090, 1028508, 1041694, 1069107, 1096520, 1170780, 1285635, 1425476, 1562541, 1644780, 1714180, 1781845, 2057016, 2083388, 2138214, 2341560, 2571270, 2604235, 2850952, 3125082, 3289560, 3428360, 3563690, 4166776, 4276428, 5142540, 5208470, 5345535, 6250164, 6771011, 7127380, 7812705, 8552856, 10285080, 10416940, 10691070, 12500328, 13542022, 14254760, 15625410, 20313033, 20833880, 21382140, 27084044, 31250820, 33855055, 40626066, 42764280, 54168088, 62501640, 67710110, 81252132, 101565165, 135420220, 162504264, 203130330, 270840440, 406260660, 812521320]

約数ペア:

[(1, 812521320), (2, 406260660), (3, 270840440), (4, 203130330), (5, 162504264), (6, 135420220), (8, 101565165), (10, 81252132), (12, 67710110), (13, 62501640), (15, 54168088), (19, 42764280), (20, 40626066), (24, 33855055), (26, 31250820), (30, 27084044), (38, 21382140), (39, 20833880), (40, 20313033), (52, 15625410), (57, 14254760), (60, 13542022), (65, 12500328), (76, 10691070), (78, 10416940), (79, 10285080), (95, 8552856), (104, 7812705), (114, 7127380), (120, 6771011), (130, 6250164), (152, 5345535), (156, 5208470), (158, 5142540), (190, 4276428), (195, 4166776), (228, 3563690), (237, 3428360), (247, 3289560), (260, 3125082), (285, 2850952), (312, 2604235), (316, 2571270), (347, 2341560), (380, 2138214), (390, 2083388), (395, 2057016), (456, 1781845), (474, 1714180), (494, 1644780), (520, 1562541), (570, 1425476), (632, 1285635), (694, 1170780), (741, 1096520), (760, 1069107), (780, 1041694), (790, 1028508), (948, 857090), (988, 822390), (1027, 791160), (1041, 780520), (1140, 712738), (1185, 685672), (1235, 657912), (1388, 585390), (1482, 548260), (1501, 541320), (1560, 520847), (1580, 514254), (1735, 468312), (1896, 428545), (1976, 411195), (2054, 395580), (2082, 390260), (2280, 356369), (2370, 342836), (2470, 328956), (2776, 292695), (2964, 274130), (3002, 270660), (3081, 263720), (3160, 257127), (3470, 234156), (3705, 219304), (4108, 197790), (4164, 195130), (4503, 180440), (4511, 180120), (4740, 171418), (4940, 164478), (5135, 158232), (5205, 156104), (5928, 137065), (6004, 135330), (6162, 131860), (6593, 123240), (6940, 117078), (7410, 109652), (7505, 108264), (8216, 98895), (8328, 97565), (9006, 90220), (9022, 90060), (9480, 85709), (9880, 82239), (10270, 79116), (10410, 78052), (12008, 67665), (12324, 65930), (13186, 61620), (13533, 60040), (13880, 58539), (14820, 54826), (15010, 54132), (15405, 52744), (18012, 45110), (18044, 45030), (19513, 41640), (19779, 41080), (20540, 39558), (20820, 39026), (22515, 36088), (22555, 36024), (24648, 32965), (26372, 30810), (27066, 30020), (27413, 29640)]