1381501980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27509}}^1$

素因数の和:27561

約数の個数: 120

約数和(自身を含む): 4473786240

約数和(自身を除く): 3092284260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 5022, 5580, 8370, 10044, 12555, 16740, 25110, 27509, 50220, 55018, 82527, 110036, 137545, 165054, 247581, 275090, 330108, 412635, 495162, 550180, 742743, 825270, 852779, 990324, 1237905, 1485486, 1650540, 1705558, 2228229, 2475810, 2558337, 2970972, 3411116, 3713715, 4263895, 4456458, 4951620, 5116674, 7427430, 7675011, 8527790, 8912916, 10233348, 11141145, 12791685, 14854860, 15350022, 17055580, 22282290, 23025033, 25583370, 30700044, 38375055, 44564580, 46050066, 51166740, 69075099, 76750110, 92100132, 115125165, 138150198, 153500220, 230250330, 276300396, 345375495, 460500660, 690750990, 1381501980]

約数ペア:

[(1, 1381501980), (2, 690750990), (3, 460500660), (4, 345375495), (5, 276300396), (6, 230250330), (9, 153500220), (10, 138150198), (12, 115125165), (15, 92100132), (18, 76750110), (20, 69075099), (27, 51166740), (30, 46050066), (31, 44564580), (36, 38375055), (45, 30700044), (54, 25583370), (60, 23025033), (62, 22282290), (81, 17055580), (90, 15350022), (93, 14854860), (108, 12791685), (124, 11141145), (135, 10233348), (155, 8912916), (162, 8527790), (180, 7675011), (186, 7427430), (270, 5116674), (279, 4951620), (310, 4456458), (324, 4263895), (372, 3713715), (405, 3411116), (465, 2970972), (540, 2558337), (558, 2475810), (620, 2228229), (810, 1705558), (837, 1650540), (930, 1485486), (1116, 1237905), (1395, 990324), (1620, 852779), (1674, 825270), (1860, 742743), (2511, 550180), (2790, 495162), (3348, 412635), (4185, 330108), (5022, 275090), (5580, 247581), (8370, 165054), (10044, 137545), (12555, 110036), (16740, 82527), (25110, 55018), (27509, 50220)]