80520480

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 288

約数和(自身を含む): 302702400

約数和(自身を除く): 222181920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 109, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 218, 228, 240, 243, 270, 285, 288, 304, 324, 327, 342, 360, 380, 405, 432, 436, 456, 480, 486, 513, 540, 545, 570, 608, 648, 654, 684, 720, 760, 810, 855, 864, 872, 912, 972, 981, 1026, 1080, 1090, 1140, 1215, 1296, 1308, 1368, 1440, 1520, 1539, 1620, 1635, 1710, 1744, 1824, 1944, 1962, 2052, 2071, 2160, 2180, 2280, 2430, 2565, 2592, 2616, 2736, 2943, 3040, 3078, 3240, 3270, 3420, 3488, 3888, 3924, 4104, 4142, 4320, 4360, 4560, 4617, 4860, 4905, 5130, 5232, 5472, 5886, 6156, 6213, 6480, 6540, 6840, 7695, 7776, 7848, 8208, 8284, 8720, 8829, 9120, 9234, 9720, 9810, 10260, 10355, 10464, 11772, 12312, 12426, 12960, 13080, 13680, 14715, 15390, 15696, 16416, 16568, 17440, 17658, 18468, 18639, 19440, 19620, 20520, 20710, 23085, 23544, 24624, 24852, 26160, 26487, 27360, 29430, 30780, 31065, 31392, 33136, 35316, 36936, 37278, 38880, 39240, 41040, 41420, 44145, 46170, 47088, 49248, 49704, 52320, 52974, 55917, 58860, 61560, 62130, 66272, 70632, 73872, 74556, 78480, 82080, 82840, 88290, 92340, 93195, 94176, 99408, 105948, 111834, 117720, 123120, 124260, 132435, 141264, 147744, 149112, 156960, 165680, 167751, 176580, 184680, 186390, 198816, 211896, 223668, 235440, 246240, 248520, 264870, 279585, 282528, 298224, 331360, 335502, 353160, 369360, 372780, 423792, 447336, 470880, 497040, 503253, 529740, 559170, 596448, 671004, 706320, 738720, 745560, 838755, 847584, 894672, 994080, 1006506, 1059480, 1118340, 1342008, 1412640, 1491120, 1677510, 1789344, 2013012, 2118960, 2236680, 2516265, 2684016, 2982240, 3355020, 4026024, 4237920, 4473360, 5032530, 5368032, 6710040, 8052048, 8946720, 10065060, 13420080, 16104096, 20130120, 26840160, 40260240, 80520480]

約数ペア:

[(1, 80520480), (2, 40260240), (3, 26840160), (4, 20130120), (5, 16104096), (6, 13420080), (8, 10065060), (9, 8946720), (10, 8052048), (12, 6710040), (15, 5368032), (16, 5032530), (18, 4473360), (19, 4237920), (20, 4026024), (24, 3355020), (27, 2982240), (30, 2684016), (32, 2516265), (36, 2236680), (38, 2118960), (40, 2013012), (45, 1789344), (48, 1677510), (54, 1491120), (57, 1412640), (60, 1342008), (72, 1118340), (76, 1059480), (80, 1006506), (81, 994080), (90, 894672), (95, 847584), (96, 838755), (108, 745560), (109, 738720), (114, 706320), (120, 671004), (135, 596448), (144, 559170), (152, 529740), (160, 503253), (162, 497040), (171, 470880), (180, 447336), (190, 423792), (216, 372780), (218, 369360), (228, 353160), (240, 335502), (243, 331360), (270, 298224), (285, 282528), (288, 279585), (304, 264870), (324, 248520), (327, 246240), (342, 235440), (360, 223668), (380, 211896), (405, 198816), (432, 186390), (436, 184680), (456, 176580), (480, 167751), (486, 165680), (513, 156960), (540, 149112), (545, 147744), (570, 141264), (608, 132435), (648, 124260), (654, 123120), (684, 117720), (720, 111834), (760, 105948), (810, 99408), (855, 94176), (864, 93195), (872, 92340), (912, 88290), (972, 82840), (981, 82080), (1026, 78480), (1080, 74556), (1090, 73872), (1140, 70632), (1215, 66272), (1296, 62130), (1308, 61560), (1368, 58860), (1440, 55917), (1520, 52974), (1539, 52320), (1620, 49704), (1635, 49248), (1710, 47088), (1744, 46170), (1824, 44145), (1944, 41420), (1962, 41040), (2052, 39240), (2071, 38880), (2160, 37278), (2180, 36936), (2280, 35316), (2430, 33136), (2565, 31392), (2592, 31065), (2616, 30780), (2736, 29430), (2943, 27360), (3040, 26487), (3078, 26160), (3240, 24852), (3270, 24624), (3420, 23544), (3488, 23085), (3888, 20710), (3924, 20520), (4104, 19620), (4142, 19440), (4320, 18639), (4360, 18468), (4560, 17658), (4617, 17440), (4860, 16568), (4905, 16416), (5130, 15696), (5232, 15390), (5472, 14715), (5886, 13680), (6156, 13080), (6213, 12960), (6480, 12426), (6540, 12312), (6840, 11772), (7695, 10464), (7776, 10355), (7848, 10260), (8208, 9810), (8284, 9720), (8720, 9234), (8829, 9120)]