218797920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:778

約数の個数: 288

約数和(自身を含む): 858574080

約数和(自身を除く): 639776160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 32, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 96, 99, 110, 114, 120, 132, 144, 152, 160, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 288, 304, 330, 342, 352, 360, 380, 396, 418, 440, 456, 480, 495, 528, 570, 608, 627, 660, 684, 720, 727, 760, 792, 836, 855, 880, 912, 990, 1045, 1056, 1140, 1254, 1320, 1368, 1440, 1454, 1520, 1584, 1672, 1710, 1760, 1824, 1881, 1980, 2090, 2181, 2280, 2508, 2640, 2736, 2908, 3040, 3135, 3168, 3344, 3420, 3635, 3762, 3960, 4180, 4362, 4560, 5016, 5280, 5472, 5816, 6270, 6543, 6688, 6840, 7270, 7524, 7920, 7997, 8360, 8724, 9120, 9405, 10032, 10905, 11632, 12540, 13086, 13680, 13813, 14540, 15048, 15840, 15994, 16720, 17448, 18810, 20064, 21810, 23264, 23991, 25080, 26172, 27360, 27626, 29080, 30096, 31988, 32715, 33440, 34896, 37620, 39985, 41439, 43620, 47982, 50160, 52344, 55252, 58160, 60192, 63976, 65430, 69065, 69792, 71973, 75240, 79970, 82878, 87240, 95964, 100320, 104688, 110504, 116320, 119955, 124317, 127952, 130860, 138130, 143946, 150480, 151943, 159940, 165756, 174480, 191928, 207195, 209376, 221008, 239910, 248634, 255904, 261720, 276260, 287892, 300960, 303886, 319880, 331512, 348960, 359865, 383856, 414390, 442016, 455829, 479820, 497268, 523440, 552520, 575784, 607772, 621585, 639760, 663024, 719730, 759715, 767712, 828780, 911658, 959640, 994536, 1046880, 1105040, 1151568, 1215544, 1243170, 1279520, 1326048, 1367487, 1439460, 1519430, 1657560, 1823316, 1919280, 1989072, 2210080, 2279145, 2303136, 2431088, 2486340, 2734974, 2878920, 3038860, 3315120, 3646632, 3838560, 3978144, 4558290, 4862176, 4972680, 5469948, 5757840, 6077720, 6630240, 6837435, 7293264, 9116580, 9945360, 10939896, 11515680, 12155440, 13674870, 14586528, 18233160, 19890720, 21879792, 24310880, 27349740, 36466320, 43759584, 54699480, 72932640, 109398960, 218797920]

約数ペア:

[(1, 218797920), (2, 109398960), (3, 72932640), (4, 54699480), (5, 43759584), (6, 36466320), (8, 27349740), (9, 24310880), (10, 21879792), (11, 19890720), (12, 18233160), (15, 14586528), (16, 13674870), (18, 12155440), (19, 11515680), (20, 10939896), (22, 9945360), (24, 9116580), (30, 7293264), (32, 6837435), (33, 6630240), (36, 6077720), (38, 5757840), (40, 5469948), (44, 4972680), (45, 4862176), (48, 4558290), (55, 3978144), (57, 3838560), (60, 3646632), (66, 3315120), (72, 3038860), (76, 2878920), (80, 2734974), (88, 2486340), (90, 2431088), (95, 2303136), (96, 2279145), (99, 2210080), (110, 1989072), (114, 1919280), (120, 1823316), (132, 1657560), (144, 1519430), (152, 1439460), (160, 1367487), (165, 1326048), (171, 1279520), (176, 1243170), (180, 1215544), (190, 1151568), (198, 1105040), (209, 1046880), (220, 994536), (228, 959640), (240, 911658), (264, 828780), (285, 767712), (288, 759715), (304, 719730), (330, 663024), (342, 639760), (352, 621585), (360, 607772), (380, 575784), (396, 552520), (418, 523440), (440, 497268), (456, 479820), (480, 455829), (495, 442016), (528, 414390), (570, 383856), (608, 359865), (627, 348960), (660, 331512), (684, 319880), (720, 303886), (727, 300960), (760, 287892), (792, 276260), (836, 261720), (855, 255904), (880, 248634), (912, 239910), (990, 221008), (1045, 209376), (1056, 207195), (1140, 191928), (1254, 174480), (1320, 165756), (1368, 159940), (1440, 151943), (1454, 150480), (1520, 143946), (1584, 138130), (1672, 130860), (1710, 127952), (1760, 124317), (1824, 119955), (1881, 116320), (1980, 110504), (2090, 104688), (2181, 100320), (2280, 95964), (2508, 87240), (2640, 82878), (2736, 79970), (2908, 75240), (3040, 71973), (3135, 69792), (3168, 69065), (3344, 65430), (3420, 63976), (3635, 60192), (3762, 58160), (3960, 55252), (4180, 52344), (4362, 50160), (4560, 47982), (5016, 43620), (5280, 41439), (5472, 39985), (5816, 37620), (6270, 34896), (6543, 33440), (6688, 32715), (6840, 31988), (7270, 30096), (7524, 29080), (7920, 27626), (7997, 27360), (8360, 26172), (8724, 25080), (9120, 23991), (9405, 23264), (10032, 21810), (10905, 20064), (11632, 18810), (12540, 17448), (13086, 16720), (13680, 15994), (13813, 15840), (14540, 15048)]