2639910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 7805952

約数和(自身を除く): 5166042

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 967, 1365, 1934, 2730, 2901, 4835, 5802, 6769, 9670, 12571, 13538, 14505, 20307, 25142, 29010, 33845, 37713, 40614, 62855, 67690, 75426, 87997, 101535, 125710, 175994, 188565, 203070, 263991, 377130, 439985, 527982, 879970, 1319955, 2639910]

約数ペア:

[(1, 2639910), (2, 1319955), (3, 879970), (5, 527982), (6, 439985), (7, 377130), (10, 263991), (13, 203070), (14, 188565), (15, 175994), (21, 125710), (26, 101535), (30, 87997), (35, 75426), (39, 67690), (42, 62855), (65, 40614), (70, 37713), (78, 33845), (91, 29010), (105, 25142), (130, 20307), (182, 14505), (195, 13538), (210, 12571), (273, 9670), (390, 6769), (455, 5802), (546, 4835), (910, 2901), (967, 2730), (1365, 1934)]