2340520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 6491520

約数和(自身を除く): 4151000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 643, 728, 910, 1286, 1820, 2572, 3215, 3640, 4501, 5144, 6430, 8359, 9002, 12860, 16718, 18004, 22505, 25720, 33436, 36008, 41795, 45010, 58513, 66872, 83590, 90020, 117026, 167180, 180040, 234052, 292565, 334360, 468104, 585130, 1170260, 2340520]

約数ペア:

[(1, 2340520), (2, 1170260), (4, 585130), (5, 468104), (7, 334360), (8, 292565), (10, 234052), (13, 180040), (14, 167180), (20, 117026), (26, 90020), (28, 83590), (35, 66872), (40, 58513), (52, 45010), (56, 41795), (65, 36008), (70, 33436), (91, 25720), (104, 22505), (130, 18004), (140, 16718), (182, 12860), (260, 9002), (280, 8359), (364, 6430), (455, 5144), (520, 4501), (643, 3640), (728, 3215), (910, 2572), (1286, 1820)]