1258403920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{15683}}^1$

素因数の和:15772

約数の個数: 80

約数和(自身を含む): 3150601920

約数和(自身を除く): 1892198000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 236, 272, 295, 340, 472, 590, 680, 944, 1003, 1180, 1360, 2006, 2360, 4012, 4720, 5015, 8024, 10030, 15683, 16048, 20060, 31366, 40120, 62732, 78415, 80240, 125464, 156830, 250928, 266611, 313660, 533222, 627320, 925297, 1066444, 1254640, 1333055, 1850594, 2132888, 2666110, 3701188, 4265776, 4626485, 5332220, 7402376, 9252970, 10664440, 14804752, 15730049, 18505940, 21328880, 31460098, 37011880, 62920196, 74023760, 78650245, 125840392, 157300490, 251680784, 314600980, 629201960, 1258403920]

約数ペア:

[(1, 1258403920), (2, 629201960), (4, 314600980), (5, 251680784), (8, 157300490), (10, 125840392), (16, 78650245), (17, 74023760), (20, 62920196), (34, 37011880), (40, 31460098), (59, 21328880), (68, 18505940), (80, 15730049), (85, 14804752), (118, 10664440), (136, 9252970), (170, 7402376), (236, 5332220), (272, 4626485), (295, 4265776), (340, 3701188), (472, 2666110), (590, 2132888), (680, 1850594), (944, 1333055), (1003, 1254640), (1180, 1066444), (1360, 925297), (2006, 627320), (2360, 533222), (4012, 313660), (4720, 266611), (5015, 250928), (8024, 156830), (10030, 125464), (15683, 80240), (16048, 78415), (20060, 62732), (31366, 40120)]