1280967840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{46819}}^1$

素因数の和:46859

約数の個数: 144

約数和(自身を含む): 4601469600

約数和(自身を除く): 3320501760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 13680, 27360, 46819, 93638, 140457, 187276, 234095, 280914, 374552, 421371, 468190, 561828, 702285, 749104, 842742, 889561, 936380, 1123656, 1404570, 1498208, 1685484, 1779122, 1872760, 2106855, 2247312, 2668683, 2809140, 3370968, 3558244, 3745520, 4213710, 4447805, 4494624, 5337366, 5618280, 6741936, 7116488, 7491040, 8006049, 8427420, 8895610, 10674732, 11236560, 13343415, 13483872, 14232976, 16012098, 16854840, 17791220, 21349464, 22473120, 26686830, 28465952, 32024196, 33709680, 35582440, 40030245, 42698928, 53373660, 64048392, 67419360, 71164880, 80060490, 85397856, 106747320, 128096784, 142329760, 160120980, 213494640, 256193568, 320241960, 426989280, 640483920, 1280967840]

約数ペア:

[(1, 1280967840), (2, 640483920), (3, 426989280), (4, 320241960), (5, 256193568), (6, 213494640), (8, 160120980), (9, 142329760), (10, 128096784), (12, 106747320), (15, 85397856), (16, 80060490), (18, 71164880), (19, 67419360), (20, 64048392), (24, 53373660), (30, 42698928), (32, 40030245), (36, 35582440), (38, 33709680), (40, 32024196), (45, 28465952), (48, 26686830), (57, 22473120), (60, 21349464), (72, 17791220), (76, 16854840), (80, 16012098), (90, 14232976), (95, 13483872), (96, 13343415), (114, 11236560), (120, 10674732), (144, 8895610), (152, 8427420), (160, 8006049), (171, 7491040), (180, 7116488), (190, 6741936), (228, 5618280), (240, 5337366), (285, 4494624), (288, 4447805), (304, 4213710), (342, 3745520), (360, 3558244), (380, 3370968), (456, 2809140), (480, 2668683), (570, 2247312), (608, 2106855), (684, 1872760), (720, 1779122), (760, 1685484), (855, 1498208), (912, 1404570), (1140, 1123656), (1368, 936380), (1440, 889561), (1520, 842742), (1710, 749104), (1824, 702285), (2280, 561828), (2736, 468190), (3040, 421371), (3420, 374552), (4560, 280914), (5472, 234095), (6840, 187276), (9120, 140457), (13680, 93638), (27360, 46819)]