1863420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 5621280

約数和(自身を除く): 3757860

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, 390, 780, 2389, 4778, 7167, 9556, 11945, 14334, 23890, 28668, 31057, 35835, 47780, 62114, 71670, 93171, 124228, 143340, 155285, 186342, 310570, 372684, 465855, 621140, 931710, 1863420]

約数ペア:

[(1, 1863420), (2, 931710), (3, 621140), (4, 465855), (5, 372684), (6, 310570), (10, 186342), (12, 155285), (13, 143340), (15, 124228), (20, 93171), (26, 71670), (30, 62114), (39, 47780), (52, 35835), (60, 31057), (65, 28668), (78, 23890), (130, 14334), (156, 11945), (195, 9556), (260, 7167), (390, 4778), (780, 2389)]