19401240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1511}}^1$

素因数の和:1632

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 39385320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1511, 1605, 2140, 2568, 3022, 3210, 4280, 4533, 6044, 6420, 7555, 9066, 12088, 12840, 15110, 18132, 22665, 30220, 36264, 45330, 60440, 90660, 161677, 181320, 323354, 485031, 646708, 808385, 970062, 1293416, 1616770, 1940124, 2425155, 3233540, 3880248, 4850310, 6467080, 9700620, 19401240]

約数ペア:

[(1, 19401240), (2, 9700620), (3, 6467080), (4, 4850310), (5, 3880248), (6, 3233540), (8, 2425155), (10, 1940124), (12, 1616770), (15, 1293416), (20, 970062), (24, 808385), (30, 646708), (40, 485031), (60, 323354), (107, 181320), (120, 161677), (214, 90660), (321, 60440), (428, 45330), (535, 36264), (642, 30220), (856, 22665), (1070, 18132), (1284, 15110), (1511, 12840), (1605, 12088), (2140, 9066), (2568, 7555), (3022, 6420), (3210, 6044), (4280, 4533)]