78020640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54181}}^1$

素因数の和:54202

約数の個数: 72

約数和(自身を含む): 266250348

約数和(自身を除く): 188229708

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54181, 108362, 162543, 216724, 270905, 325086, 433448, 487629, 541810, 650172, 812715, 866896, 975258, 1083620, 1300344, 1625430, 1733792, 1950516, 2167240, 2438145, 2600688, 3250860, 3901032, 4334480, 4876290, 5201376, 6501720, 7802064, 8668960, 9752580, 13003440, 15604128, 19505160, 26006880, 39010320, 78020640]

約数ペア:

[(1, 78020640), (2, 39010320), (3, 26006880), (4, 19505160), (5, 15604128), (6, 13003440), (8, 9752580), (9, 8668960), (10, 7802064), (12, 6501720), (15, 5201376), (16, 4876290), (18, 4334480), (20, 3901032), (24, 3250860), (30, 2600688), (32, 2438145), (36, 2167240), (40, 1950516), (45, 1733792), (48, 1625430), (60, 1300344), (72, 1083620), (80, 975258), (90, 866896), (96, 812715), (120, 650172), (144, 541810), (160, 487629), (180, 433448), (240, 325086), (288, 270905), (360, 216724), (480, 162543), (720, 108362), (1440, 54181)]