1208599980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2877619}}^1$

素因数の和:2877638

約数の個数: 48

約数和(自身を含む): 3867521280

約数和(自身を除く): 2658921300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2877619, 5755238, 8632857, 11510476, 14388095, 17265714, 20143333, 28776190, 34531428, 40286666, 43164285, 57552380, 60429999, 80573332, 86328570, 100716665, 120859998, 172657140, 201433330, 241719996, 302149995, 402866660, 604299990, 1208599980]

約数ペア:

[(1, 1208599980), (2, 604299990), (3, 402866660), (4, 302149995), (5, 241719996), (6, 201433330), (7, 172657140), (10, 120859998), (12, 100716665), (14, 86328570), (15, 80573332), (20, 60429999), (21, 57552380), (28, 43164285), (30, 40286666), (35, 34531428), (42, 28776190), (60, 20143333), (70, 17265714), (84, 14388095), (105, 11510476), (140, 8632857), (210, 5755238), (420, 2877619)]