490537560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{797}}^1$

素因数の和:1057

約数の個数: 128

約数和(自身を含む): 1544417280

約数和(自身を除く): 1053879720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 223, 230, 276, 345, 446, 460, 552, 669, 690, 797, 892, 920, 1115, 1338, 1380, 1594, 1784, 2230, 2391, 2676, 2760, 3188, 3345, 3985, 4460, 4782, 5129, 5352, 6376, 6690, 7970, 8920, 9564, 10258, 11955, 13380, 15387, 15940, 18331, 19128, 20516, 23910, 25645, 26760, 30774, 31880, 36662, 41032, 47820, 51290, 54993, 61548, 73324, 76935, 91655, 95640, 102580, 109986, 123096, 146648, 153870, 177731, 183310, 205160, 219972, 274965, 307740, 355462, 366620, 439944, 533193, 549930, 615480, 710924, 733240, 888655, 1066386, 1099860, 1421848, 1777310, 2132772, 2199720, 2665965, 3554620, 4087813, 4265544, 5331930, 7109240, 8175626, 10663860, 12263439, 16351252, 20439065, 21327720, 24526878, 32702504, 40878130, 49053756, 61317195, 81756260, 98107512, 122634390, 163512520, 245268780, 490537560]

約数ペア:

[(1, 490537560), (2, 245268780), (3, 163512520), (4, 122634390), (5, 98107512), (6, 81756260), (8, 61317195), (10, 49053756), (12, 40878130), (15, 32702504), (20, 24526878), (23, 21327720), (24, 20439065), (30, 16351252), (40, 12263439), (46, 10663860), (60, 8175626), (69, 7109240), (92, 5331930), (115, 4265544), (120, 4087813), (138, 3554620), (184, 2665965), (223, 2199720), (230, 2132772), (276, 1777310), (345, 1421848), (446, 1099860), (460, 1066386), (552, 888655), (669, 733240), (690, 710924), (797, 615480), (892, 549930), (920, 533193), (1115, 439944), (1338, 366620), (1380, 355462), (1594, 307740), (1784, 274965), (2230, 219972), (2391, 205160), (2676, 183310), (2760, 177731), (3188, 153870), (3345, 146648), (3985, 123096), (4460, 109986), (4782, 102580), (5129, 95640), (5352, 91655), (6376, 76935), (6690, 73324), (7970, 61548), (8920, 54993), (9564, 51290), (10258, 47820), (11955, 41032), (13380, 36662), (15387, 31880), (15940, 30774), (18331, 26760), (19128, 25645), (20516, 23910)]