1804020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 5116608

約数和(自身を除く): 3312588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 281, 321, 428, 535, 562, 642, 843, 1070, 1124, 1284, 1405, 1605, 1686, 2140, 2810, 3210, 3372, 4215, 5620, 6420, 8430, 16860, 30067, 60134, 90201, 120268, 150335, 180402, 300670, 360804, 451005, 601340, 902010, 1804020]

約数ペア:

[(1, 1804020), (2, 902010), (3, 601340), (4, 451005), (5, 360804), (6, 300670), (10, 180402), (12, 150335), (15, 120268), (20, 90201), (30, 60134), (60, 30067), (107, 16860), (214, 8430), (281, 6420), (321, 5620), (428, 4215), (535, 3372), (562, 3210), (642, 2810), (843, 2140), (1070, 1686), (1124, 1605), (1284, 1405)]