139856040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{388489}}^1$

素因数の和:388506

約数の個数: 48

約数和(自身を含む): 454533300

約数和(自身を除く): 314677260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 388489, 776978, 1165467, 1553956, 1942445, 2330934, 3107912, 3496401, 3884890, 4661868, 5827335, 6992802, 7769780, 9323736, 11654670, 13985604, 15539560, 17482005, 23309340, 27971208, 34964010, 46618680, 69928020, 139856040]

約数ペア:

[(1, 139856040), (2, 69928020), (3, 46618680), (4, 34964010), (5, 27971208), (6, 23309340), (8, 17482005), (9, 15539560), (10, 13985604), (12, 11654670), (15, 9323736), (18, 7769780), (20, 6992802), (24, 5827335), (30, 4661868), (36, 3884890), (40, 3496401), (45, 3107912), (60, 2330934), (72, 1942445), (90, 1553956), (120, 1165467), (180, 776978), (360, 388489)]