303420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 917280

約数和(自身を除く): 613860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 389, 390, 778, 780, 1167, 1556, 1945, 2334, 3890, 4668, 5057, 5835, 7780, 10114, 11670, 15171, 20228, 23340, 25285, 30342, 50570, 60684, 75855, 101140, 151710, 303420]

約数ペア:

[(1, 303420), (2, 151710), (3, 101140), (4, 75855), (5, 60684), (6, 50570), (10, 30342), (12, 25285), (13, 23340), (15, 20228), (20, 15171), (26, 11670), (30, 10114), (39, 7780), (52, 5835), (60, 5057), (65, 4668), (78, 3890), (130, 2334), (156, 1945), (195, 1556), (260, 1167), (389, 780), (390, 778)]