131449640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 351648000

約数和(自身を除く): 220198360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 73, 109, 118, 140, 146, 218, 236, 280, 292, 295, 365, 413, 436, 472, 511, 545, 584, 590, 730, 763, 826, 872, 1022, 1090, 1180, 1460, 1526, 1652, 2044, 2065, 2180, 2360, 2555, 2920, 3052, 3304, 3815, 4088, 4130, 4307, 4360, 5110, 6104, 6431, 7630, 7957, 8260, 8614, 10220, 12862, 15260, 15914, 16520, 17228, 20440, 21535, 25724, 30149, 30520, 31828, 32155, 34456, 39785, 43070, 45017, 51448, 55699, 60298, 63656, 64310, 79570, 86140, 90034, 111398, 120596, 128620, 150745, 159140, 172280, 180068, 222796, 225085, 241192, 257240, 278495, 301490, 318280, 360136, 445592, 450170, 469463, 556990, 602980, 900340, 938926, 1113980, 1205960, 1800680, 1877852, 2227960, 2347315, 3286241, 3755704, 4694630, 6572482, 9389260, 13144964, 16431205, 18778520, 26289928, 32862410, 65724820, 131449640]

約数ペア:

[(1, 131449640), (2, 65724820), (4, 32862410), (5, 26289928), (7, 18778520), (8, 16431205), (10, 13144964), (14, 9389260), (20, 6572482), (28, 4694630), (35, 3755704), (40, 3286241), (56, 2347315), (59, 2227960), (70, 1877852), (73, 1800680), (109, 1205960), (118, 1113980), (140, 938926), (146, 900340), (218, 602980), (236, 556990), (280, 469463), (292, 450170), (295, 445592), (365, 360136), (413, 318280), (436, 301490), (472, 278495), (511, 257240), (545, 241192), (584, 225085), (590, 222796), (730, 180068), (763, 172280), (826, 159140), (872, 150745), (1022, 128620), (1090, 120596), (1180, 111398), (1460, 90034), (1526, 86140), (1652, 79570), (2044, 64310), (2065, 63656), (2180, 60298), (2360, 55699), (2555, 51448), (2920, 45017), (3052, 43070), (3304, 39785), (3815, 34456), (4088, 32155), (4130, 31828), (4307, 30520), (4360, 30149), (5110, 25724), (6104, 21535), (6431, 20440), (7630, 17228), (7957, 16520), (8260, 15914), (8614, 15260), (10220, 12862)]