289487520

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{3191}}^1$

素因数の和:3225

約数の個数: 240

約数和(自身を含む): 1167965568

約数和(自身を除く): 878478048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3191, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6382, 6480, 7560, 9072, 9573, 10080, 11340, 12764, 12960, 15120, 15955, 18144, 19146, 22337, 22680, 25528, 28719, 30240, 31910, 38292, 44674, 45360, 47865, 51056, 57438, 63820, 67011, 76584, 86157, 89348, 90720, 95730, 102112, 111685, 114876, 127640, 134022, 143595, 153168, 172314, 178696, 191460, 201033, 223370, 229752, 255280, 258471, 268044, 287190, 306336, 335055, 344628, 357392, 382920, 402066, 430785, 446740, 459504, 510560, 516942, 536088, 574380, 603099, 670110, 689256, 714784, 765840, 804132, 861570, 893480, 919008, 1005165, 1033884, 1072176, 1148760, 1206198, 1292355, 1340220, 1378512, 1531680, 1608264, 1723140, 1786960, 1809297, 2010330, 2067768, 2144352, 2297520, 2412396, 2584710, 2680440, 2757024, 3015495, 3216528, 3446280, 3573920, 3618594, 4020660, 4135536, 4595040, 4824792, 5169420, 5360880, 6030990, 6433056, 6892560, 7237188, 8041320, 8271072, 9046485, 9649584, 10338840, 10721760, 12061980, 13785120, 14474376, 16082640, 18092970, 19299168, 20677680, 24123960, 28948752, 32165280, 36185940, 41355360, 48247920, 57897504, 72371880, 96495840, 144743760, 289487520]

約数ペア:

[(1, 289487520), (2, 144743760), (3, 96495840), (4, 72371880), (5, 57897504), (6, 48247920), (7, 41355360), (8, 36185940), (9, 32165280), (10, 28948752), (12, 24123960), (14, 20677680), (15, 19299168), (16, 18092970), (18, 16082640), (20, 14474376), (21, 13785120), (24, 12061980), (27, 10721760), (28, 10338840), (30, 9649584), (32, 9046485), (35, 8271072), (36, 8041320), (40, 7237188), (42, 6892560), (45, 6433056), (48, 6030990), (54, 5360880), (56, 5169420), (60, 4824792), (63, 4595040), (70, 4135536), (72, 4020660), (80, 3618594), (81, 3573920), (84, 3446280), (90, 3216528), (96, 3015495), (105, 2757024), (108, 2680440), (112, 2584710), (120, 2412396), (126, 2297520), (135, 2144352), (140, 2067768), (144, 2010330), (160, 1809297), (162, 1786960), (168, 1723140), (180, 1608264), (189, 1531680), (210, 1378512), (216, 1340220), (224, 1292355), (240, 1206198), (252, 1148760), (270, 1072176), (280, 1033884), (288, 1005165), (315, 919008), (324, 893480), (336, 861570), (360, 804132), (378, 765840), (405, 714784), (420, 689256), (432, 670110), (480, 603099), (504, 574380), (540, 536088), (560, 516942), (567, 510560), (630, 459504), (648, 446740), (672, 430785), (720, 402066), (756, 382920), (810, 357392), (840, 344628), (864, 335055), (945, 306336), (1008, 287190), (1080, 268044), (1120, 258471), (1134, 255280), (1260, 229752), (1296, 223370), (1440, 201033), (1512, 191460), (1620, 178696), (1680, 172314), (1890, 153168), (2016, 143595), (2160, 134022), (2268, 127640), (2520, 114876), (2592, 111685), (2835, 102112), (3024, 95730), (3191, 90720), (3240, 89348), (3360, 86157), (3780, 76584), (4320, 67011), (4536, 63820), (5040, 57438), (5670, 51056), (6048, 47865), (6382, 45360), (6480, 44674), (7560, 38292), (9072, 31910), (9573, 30240), (10080, 28719), (11340, 25528), (12764, 22680), (12960, 22337), (15120, 19146), (15955, 18144)]