138675840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{72227}}^1$

素因数の和:72249

約数の個数: 64

約数和(自身を含む): 442035360

約数和(自身を除く): 303359520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 72227, 144454, 216681, 288908, 361135, 433362, 577816, 722270, 866724, 1083405, 1155632, 1444540, 1733448, 2166810, 2311264, 2889080, 3466896, 4333620, 4622528, 5778160, 6933792, 8667240, 9245056, 11556320, 13867584, 17334480, 23112640, 27735168, 34668960, 46225280, 69337920, 138675840]

約数ペア:

[(1, 138675840), (2, 69337920), (3, 46225280), (4, 34668960), (5, 27735168), (6, 23112640), (8, 17334480), (10, 13867584), (12, 11556320), (15, 9245056), (16, 8667240), (20, 6933792), (24, 5778160), (30, 4622528), (32, 4333620), (40, 3466896), (48, 2889080), (60, 2311264), (64, 2166810), (80, 1733448), (96, 1444540), (120, 1155632), (128, 1083405), (160, 866724), (192, 722270), (240, 577816), (320, 433362), (384, 361135), (480, 288908), (640, 216681), (960, 144454), (1920, 72227)]