19502987220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{388351}}^1$

素因数の和:388403

約数の個数: 120

約数和(自身を含む): 63155355648

約数和(自身を除く): 43652368428

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, 50220, 388351, 776702, 1165053, 1553404, 1941755, 2330106, 3495159, 3883510, 4660212, 5825265, 6990318, 7767020, 10485477, 11650530, 12038881, 13980636, 17475795, 20970954, 23301060, 24077762, 31456431, 34951590, 36116643, 41941908, 48155524, 52427385, 60194405, 62912862, 69903180, 72233286, 104854770, 108349929, 120388810, 125825724, 144466572, 157282155, 180583215, 209709540, 216699858, 240777620, 314564310, 325049787, 361166430, 433399716, 541749645, 629128620, 650099574, 722332860, 975149361, 1083499290, 1300199148, 1625248935, 1950298722, 2166998580, 3250497870, 3900597444, 4875746805, 6500995740, 9751493610, 19502987220]

約数ペア:

[(1, 19502987220), (2, 9751493610), (3, 6500995740), (4, 4875746805), (5, 3900597444), (6, 3250497870), (9, 2166998580), (10, 1950298722), (12, 1625248935), (15, 1300199148), (18, 1083499290), (20, 975149361), (27, 722332860), (30, 650099574), (31, 629128620), (36, 541749645), (45, 433399716), (54, 361166430), (60, 325049787), (62, 314564310), (81, 240777620), (90, 216699858), (93, 209709540), (108, 180583215), (124, 157282155), (135, 144466572), (155, 125825724), (162, 120388810), (180, 108349929), (186, 104854770), (270, 72233286), (279, 69903180), (310, 62912862), (324, 60194405), (372, 52427385), (405, 48155524), (465, 41941908), (540, 36116643), (558, 34951590), (620, 31456431), (810, 24077762), (837, 23301060), (930, 20970954), (1116, 17475795), (1395, 13980636), (1620, 12038881), (1674, 11650530), (1860, 10485477), (2511, 7767020), (2790, 6990318), (3348, 5825265), (4185, 4660212), (5022, 3883510), (5580, 3495159), (8370, 2330106), (10044, 1941755), (12555, 1553404), (16740, 1165053), (25110, 776702), (50220, 388351)]