81014580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1227

約数の個数: 120

約数和(自身を含む): 260279712

約数和(自身を除く): 179265132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 1161, 1163, 1290, 1548, 1620, 1935, 2322, 2326, 2580, 3483, 3489, 3870, 4644, 4652, 5805, 5815, 6966, 6978, 7740, 10467, 11610, 11630, 13932, 13956, 17415, 17445, 20934, 23220, 23260, 31401, 34830, 34890, 41868, 50009, 52335, 62802, 69660, 69780, 94203, 100018, 104670, 125604, 150027, 157005, 188406, 200036, 209340, 250045, 300054, 314010, 376812, 450081, 471015, 500090, 600108, 628020, 750135, 900162, 942030, 1000180, 1350243, 1500270, 1800324, 1884060, 2250405, 2700486, 3000540, 4050729, 4500810, 5400972, 6751215, 8101458, 9001620, 13502430, 16202916, 20253645, 27004860, 40507290, 81014580]

約数ペア:

[(1, 81014580), (2, 40507290), (3, 27004860), (4, 20253645), (5, 16202916), (6, 13502430), (9, 9001620), (10, 8101458), (12, 6751215), (15, 5400972), (18, 4500810), (20, 4050729), (27, 3000540), (30, 2700486), (36, 2250405), (43, 1884060), (45, 1800324), (54, 1500270), (60, 1350243), (81, 1000180), (86, 942030), (90, 900162), (108, 750135), (129, 628020), (135, 600108), (162, 500090), (172, 471015), (180, 450081), (215, 376812), (258, 314010), (270, 300054), (324, 250045), (387, 209340), (405, 200036), (430, 188406), (516, 157005), (540, 150027), (645, 125604), (774, 104670), (810, 100018), (860, 94203), (1161, 69780), (1163, 69660), (1290, 62802), (1548, 52335), (1620, 50009), (1935, 41868), (2322, 34890), (2326, 34830), (2580, 31401), (3483, 23260), (3489, 23220), (3870, 20934), (4644, 17445), (4652, 17415), (5805, 13956), (5815, 13932), (6966, 11630), (6978, 11610), (7740, 10467)]