1284941880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20873}}^1$

素因数の和:20915

約数の個数: 160

約数和(自身を含む): 4546357200

約数和(自身を除く): 3261415320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 5130, 6156, 6840, 7695, 10260, 12312, 15390, 20520, 20873, 30780, 41746, 61560, 62619, 83492, 104365, 125238, 166984, 187857, 208730, 250476, 313095, 375714, 396587, 417460, 500952, 563571, 626190, 751428, 793174, 834920, 939285, 1127142, 1189761, 1252380, 1502856, 1586348, 1690713, 1878570, 1982935, 2254284, 2379522, 2504760, 2817855, 3172696, 3381426, 3569283, 3757140, 3965870, 4508568, 4759044, 5635710, 5948805, 6762852, 7138566, 7514280, 7931740, 8453565, 9518088, 10707849, 11271420, 11897610, 13525704, 14277132, 15863480, 16907130, 17846415, 21415698, 22542840, 23795220, 28554264, 32123547, 33814260, 35692830, 42831396, 47590440, 53539245, 64247094, 67628520, 71385660, 85662792, 107078490, 128494188, 142771320, 160617735, 214156980, 256988376, 321235470, 428313960, 642470940, 1284941880]

約数ペア:

[(1, 1284941880), (2, 642470940), (3, 428313960), (4, 321235470), (5, 256988376), (6, 214156980), (8, 160617735), (9, 142771320), (10, 128494188), (12, 107078490), (15, 85662792), (18, 71385660), (19, 67628520), (20, 64247094), (24, 53539245), (27, 47590440), (30, 42831396), (36, 35692830), (38, 33814260), (40, 32123547), (45, 28554264), (54, 23795220), (57, 22542840), (60, 21415698), (72, 17846415), (76, 16907130), (81, 15863480), (90, 14277132), (95, 13525704), (108, 11897610), (114, 11271420), (120, 10707849), (135, 9518088), (152, 8453565), (162, 7931740), (171, 7514280), (180, 7138566), (190, 6762852), (216, 5948805), (228, 5635710), (270, 4759044), (285, 4508568), (324, 3965870), (342, 3757140), (360, 3569283), (380, 3381426), (405, 3172696), (456, 2817855), (513, 2504760), (540, 2379522), (570, 2254284), (648, 1982935), (684, 1878570), (760, 1690713), (810, 1586348), (855, 1502856), (1026, 1252380), (1080, 1189761), (1140, 1127142), (1368, 939285), (1539, 834920), (1620, 793174), (1710, 751428), (2052, 626190), (2280, 563571), (2565, 500952), (3078, 417460), (3240, 396587), (3420, 375714), (4104, 313095), (5130, 250476), (6156, 208730), (6840, 187857), (7695, 166984), (10260, 125238), (12312, 104365), (15390, 83492), (20520, 62619), (20873, 61560), (30780, 41746)]