1280452560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{14779}}^1$

素因数の和:14833

約数の個数: 120

約数和(自身を含む): 4189597920

約数和(自身を除く): 2909145360

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, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 912, 1083, 1140, 1444, 1520, 1805, 2166, 2280, 2888, 3610, 4332, 4560, 5415, 5776, 7220, 8664, 10830, 14440, 14779, 17328, 21660, 28880, 29558, 43320, 44337, 59116, 73895, 86640, 88674, 118232, 147790, 177348, 221685, 236464, 280801, 295580, 354696, 443370, 561602, 591160, 709392, 842403, 886740, 1123204, 1182320, 1404005, 1684806, 1773480, 2246408, 2808010, 3369612, 3546960, 4212015, 4492816, 5335219, 5616020, 6739224, 8424030, 10670438, 11232040, 13478448, 16005657, 16848060, 21340876, 22464080, 26676095, 32011314, 33696120, 42681752, 53352190, 64022628, 67392240, 80028285, 85363504, 106704380, 128045256, 160056570, 213408760, 256090512, 320113140, 426817520, 640226280, 1280452560]

約数ペア:

[(1, 1280452560), (2, 640226280), (3, 426817520), (4, 320113140), (5, 256090512), (6, 213408760), (8, 160056570), (10, 128045256), (12, 106704380), (15, 85363504), (16, 80028285), (19, 67392240), (20, 64022628), (24, 53352190), (30, 42681752), (38, 33696120), (40, 32011314), (48, 26676095), (57, 22464080), (60, 21340876), (76, 16848060), (80, 16005657), (95, 13478448), (114, 11232040), (120, 10670438), (152, 8424030), (190, 6739224), (228, 5616020), (240, 5335219), (285, 4492816), (304, 4212015), (361, 3546960), (380, 3369612), (456, 2808010), (570, 2246408), (722, 1773480), (760, 1684806), (912, 1404005), (1083, 1182320), (1140, 1123204), (1444, 886740), (1520, 842403), (1805, 709392), (2166, 591160), (2280, 561602), (2888, 443370), (3610, 354696), (4332, 295580), (4560, 280801), (5415, 236464), (5776, 221685), (7220, 177348), (8664, 147790), (10830, 118232), (14440, 88674), (14779, 86640), (17328, 73895), (21660, 59116), (28880, 44337), (29558, 43320)]