16817331320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 39217167360

約数和(自身を除く): 22399836040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 157, 188, 227, 235, 251, 314, 376, 454, 470, 502, 628, 785, 908, 940, 1004, 1135, 1255, 1256, 1570, 1816, 1880, 2008, 2270, 2510, 3140, 4540, 5020, 6280, 7379, 9080, 10040, 10669, 11797, 14758, 21338, 23594, 29516, 35639, 36895, 39407, 42676, 47188, 53345, 56977, 58985, 59032, 71278, 73790, 78814, 85352, 94376, 106690, 113954, 117970, 142556, 147580, 157628, 178195, 197035, 213380, 227908, 235940, 284885, 285112, 295160, 315256, 356390, 394070, 426760, 455816, 471880, 569770, 712780, 788140, 1139540, 1425560, 1576280, 1675033, 1852129, 2279080, 2677919, 3350066, 3704258, 5355838, 6700132, 7408516, 8375165, 8945389, 9260645, 10711676, 13389595, 13400264, 14817032, 16750330, 17890778, 18521290, 21423352, 26779190, 33500660, 35781556, 37042580, 44726945, 53558380, 67001320, 71563112, 74085160, 89453890, 107116760, 178907780, 357815560, 420433283, 840866566, 1681733132, 2102166415, 3363466264, 4204332830, 8408665660, 16817331320]

約数ペア:

[(1, 16817331320), (2, 8408665660), (4, 4204332830), (5, 3363466264), (8, 2102166415), (10, 1681733132), (20, 840866566), (40, 420433283), (47, 357815560), (94, 178907780), (157, 107116760), (188, 89453890), (227, 74085160), (235, 71563112), (251, 67001320), (314, 53558380), (376, 44726945), (454, 37042580), (470, 35781556), (502, 33500660), (628, 26779190), (785, 21423352), (908, 18521290), (940, 17890778), (1004, 16750330), (1135, 14817032), (1255, 13400264), (1256, 13389595), (1570, 10711676), (1816, 9260645), (1880, 8945389), (2008, 8375165), (2270, 7408516), (2510, 6700132), (3140, 5355838), (4540, 3704258), (5020, 3350066), (6280, 2677919), (7379, 2279080), (9080, 1852129), (10040, 1675033), (10669, 1576280), (11797, 1425560), (14758, 1139540), (21338, 788140), (23594, 712780), (29516, 569770), (35639, 471880), (36895, 455816), (39407, 426760), (42676, 394070), (47188, 356390), (53345, 315256), (56977, 295160), (58985, 285112), (59032, 284885), (71278, 235940), (73790, 227908), (78814, 213380), (85352, 197035), (94376, 178195), (106690, 157628), (113954, 147580), (117970, 142556)]