2686156720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{43777}}^1$

素因数の和:43862

約数の個数: 80

約数和(自身を含む): 6839874720

約数和(自身を除く): 4153718000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2360, 3068, 3835, 4720, 6136, 7670, 12272, 15340, 30680, 43777, 61360, 87554, 175108, 218885, 350216, 437770, 569101, 700432, 875540, 1138202, 1751080, 2276404, 2582843, 2845505, 3502160, 4552808, 5165686, 5691010, 9105616, 10331372, 11382020, 12914215, 20662744, 22764040, 25828430, 33576959, 41325488, 45528080, 51656860, 67153918, 103313720, 134307836, 167884795, 206627440, 268615672, 335769590, 537231344, 671539180, 1343078360, 2686156720]

約数ペア:

[(1, 2686156720), (2, 1343078360), (4, 671539180), (5, 537231344), (8, 335769590), (10, 268615672), (13, 206627440), (16, 167884795), (20, 134307836), (26, 103313720), (40, 67153918), (52, 51656860), (59, 45528080), (65, 41325488), (80, 33576959), (104, 25828430), (118, 22764040), (130, 20662744), (208, 12914215), (236, 11382020), (260, 10331372), (295, 9105616), (472, 5691010), (520, 5165686), (590, 4552808), (767, 3502160), (944, 2845505), (1040, 2582843), (1180, 2276404), (1534, 1751080), (2360, 1138202), (3068, 875540), (3835, 700432), (4720, 569101), (6136, 437770), (7670, 350216), (12272, 218885), (15340, 175108), (30680, 87554), (43777, 61360)]