2389980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 6812064

約数和(自身を除く): 4422084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 653, 732, 915, 1220, 1306, 1830, 1959, 2612, 3265, 3660, 3918, 6530, 7836, 9795, 13060, 19590, 39180, 39833, 79666, 119499, 159332, 199165, 238998, 398330, 477996, 597495, 796660, 1194990, 2389980]

約数ペア:

[(1, 2389980), (2, 1194990), (3, 796660), (4, 597495), (5, 477996), (6, 398330), (10, 238998), (12, 199165), (15, 159332), (20, 119499), (30, 79666), (60, 39833), (61, 39180), (122, 19590), (183, 13060), (244, 9795), (305, 7836), (366, 6530), (610, 3918), (653, 3660), (732, 3265), (915, 2612), (1220, 1959), (1306, 1830)]