61281840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 203558400

約数和(自身を除く): 142276560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 89, 95, 114, 120, 151, 152, 178, 190, 228, 240, 267, 285, 302, 304, 356, 380, 445, 453, 456, 534, 570, 604, 712, 755, 760, 890, 906, 912, 1068, 1140, 1208, 1335, 1424, 1510, 1520, 1691, 1780, 1812, 2136, 2265, 2280, 2416, 2670, 2869, 3020, 3382, 3560, 3624, 4272, 4530, 4560, 5073, 5340, 5738, 6040, 6764, 7120, 7248, 8455, 8607, 9060, 10146, 10680, 11476, 12080, 13439, 13528, 14345, 16910, 17214, 18120, 20292, 21360, 22952, 25365, 26878, 27056, 28690, 33820, 34428, 36240, 40317, 40584, 43035, 45904, 50730, 53756, 57380, 67195, 67640, 68856, 80634, 81168, 86070, 101460, 107512, 114760, 134390, 135280, 137712, 161268, 172140, 201585, 202920, 215024, 229520, 255341, 268780, 322536, 344280, 403170, 405840, 510682, 537560, 645072, 688560, 766023, 806340, 1021364, 1075120, 1276705, 1532046, 1612680, 2042728, 2553410, 3064092, 3225360, 3830115, 4085456, 5106820, 6128184, 7660230, 10213640, 12256368, 15320460, 20427280, 30640920, 61281840]

約数ペア:

[(1, 61281840), (2, 30640920), (3, 20427280), (4, 15320460), (5, 12256368), (6, 10213640), (8, 7660230), (10, 6128184), (12, 5106820), (15, 4085456), (16, 3830115), (19, 3225360), (20, 3064092), (24, 2553410), (30, 2042728), (38, 1612680), (40, 1532046), (48, 1276705), (57, 1075120), (60, 1021364), (76, 806340), (80, 766023), (89, 688560), (95, 645072), (114, 537560), (120, 510682), (151, 405840), (152, 403170), (178, 344280), (190, 322536), (228, 268780), (240, 255341), (267, 229520), (285, 215024), (302, 202920), (304, 201585), (356, 172140), (380, 161268), (445, 137712), (453, 135280), (456, 134390), (534, 114760), (570, 107512), (604, 101460), (712, 86070), (755, 81168), (760, 80634), (890, 68856), (906, 67640), (912, 67195), (1068, 57380), (1140, 53756), (1208, 50730), (1335, 45904), (1424, 43035), (1510, 40584), (1520, 40317), (1691, 36240), (1780, 34428), (1812, 33820), (2136, 28690), (2265, 27056), (2280, 26878), (2416, 25365), (2670, 22952), (2869, 21360), (3020, 20292), (3382, 18120), (3560, 17214), (3624, 16910), (4272, 14345), (4530, 13528), (4560, 13439), (5073, 12080), (5340, 11476), (5738, 10680), (6040, 10146), (6764, 9060), (7120, 8607), (7248, 8455)]