1538465520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{206783}}^1$

素因数の和:206830

約数の個数: 80

約数和(自身を含む): 4923113472

約数和(自身を除く): 3384647952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 206783, 413566, 620349, 827132, 1033915, 1240698, 1654264, 2067830, 2481396, 3101745, 3308528, 4135660, 4962792, 6203490, 6410273, 8271320, 9925584, 12406980, 12820546, 16542640, 19230819, 24813960, 25641092, 32051365, 38461638, 49627920, 51282184, 64102730, 76923276, 96154095, 102564368, 128205460, 153846552, 192308190, 256410920, 307693104, 384616380, 512821840, 769232760, 1538465520]

約数ペア:

[(1, 1538465520), (2, 769232760), (3, 512821840), (4, 384616380), (5, 307693104), (6, 256410920), (8, 192308190), (10, 153846552), (12, 128205460), (15, 102564368), (16, 96154095), (20, 76923276), (24, 64102730), (30, 51282184), (31, 49627920), (40, 38461638), (48, 32051365), (60, 25641092), (62, 24813960), (80, 19230819), (93, 16542640), (120, 12820546), (124, 12406980), (155, 9925584), (186, 8271320), (240, 6410273), (248, 6203490), (310, 4962792), (372, 4135660), (465, 3308528), (496, 3101745), (620, 2481396), (744, 2067830), (930, 1654264), (1240, 1240698), (1488, 1033915), (1860, 827132), (2480, 620349), (3720, 413566), (7440, 206783)]