30494820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1213}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 85659840

約数和(自身を除く): 55165020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 838, 1213, 1257, 1676, 2095, 2426, 2514, 3639, 4190, 4852, 5028, 6065, 6285, 7278, 8380, 12130, 12570, 14556, 18195, 24260, 25140, 36390, 72780, 508247, 1016494, 1524741, 2032988, 2541235, 3049482, 5082470, 6098964, 7623705, 10164940, 15247410, 30494820]

約数ペア:

[(1, 30494820), (2, 15247410), (3, 10164940), (4, 7623705), (5, 6098964), (6, 5082470), (10, 3049482), (12, 2541235), (15, 2032988), (20, 1524741), (30, 1016494), (60, 508247), (419, 72780), (838, 36390), (1213, 25140), (1257, 24260), (1676, 18195), (2095, 14556), (2426, 12570), (2514, 12130), (3639, 8380), (4190, 7278), (4852, 6285), (5028, 6065)]