2019195540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1297}}^1$

素因数の和:1380

約数の個数: 180

約数和(自身を含む): 6550260948

約数和(自身を除く): 4531065408

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, 961, 1116, 1297, 1395, 1620, 1674, 1860, 1922, 2511, 2594, 2790, 2883, 3348, 3844, 3891, 4185, 4805, 5022, 5188, 5580, 5766, 6485, 7782, 8370, 8649, 9610, 10044, 11532, 11673, 12555, 12970, 14415, 15564, 16740, 17298, 19220, 19455, 23346, 25110, 25940, 25947, 28830, 34596, 35019, 38910, 40207, 43245, 46692, 50220, 51894, 57660, 58365, 70038, 77820, 77841, 80414, 86490, 103788, 105057, 116730, 120621, 129735, 140076, 155682, 160828, 172980, 175095, 201035, 210114, 233460, 241242, 259470, 311364, 350190, 361863, 389205, 402070, 420228, 482484, 518940, 525285, 603105, 700380, 723726, 778410, 804140, 1050570, 1085589, 1206210, 1246417, 1447452, 1556820, 1809315, 2101140, 2171178, 2412420, 2492834, 3256767, 3618630, 3739251, 4342356, 4985668, 5427945, 6232085, 6513534, 7237260, 7478502, 10855890, 11217753, 12464170, 13027068, 14957004, 16283835, 18696255, 21711780, 22435506, 24928340, 32567670, 33653259, 37392510, 44871012, 56088765, 65135340, 67306518, 74785020, 100959777, 112177530, 134613036, 168266295, 201919554, 224355060, 336532590, 403839108, 504798885, 673065180, 1009597770, 2019195540]

約数ペア:

[(1, 2019195540), (2, 1009597770), (3, 673065180), (4, 504798885), (5, 403839108), (6, 336532590), (9, 224355060), (10, 201919554), (12, 168266295), (15, 134613036), (18, 112177530), (20, 100959777), (27, 74785020), (30, 67306518), (31, 65135340), (36, 56088765), (45, 44871012), (54, 37392510), (60, 33653259), (62, 32567670), (81, 24928340), (90, 22435506), (93, 21711780), (108, 18696255), (124, 16283835), (135, 14957004), (155, 13027068), (162, 12464170), (180, 11217753), (186, 10855890), (270, 7478502), (279, 7237260), (310, 6513534), (324, 6232085), (372, 5427945), (405, 4985668), (465, 4342356), (540, 3739251), (558, 3618630), (620, 3256767), (810, 2492834), (837, 2412420), (930, 2171178), (961, 2101140), (1116, 1809315), (1297, 1556820), (1395, 1447452), (1620, 1246417), (1674, 1206210), (1860, 1085589), (1922, 1050570), (2511, 804140), (2594, 778410), (2790, 723726), (2883, 700380), (3348, 603105), (3844, 525285), (3891, 518940), (4185, 482484), (4805, 420228), (5022, 402070), (5188, 389205), (5580, 361863), (5766, 350190), (6485, 311364), (7782, 259470), (8370, 241242), (8649, 233460), (9610, 210114), (10044, 201035), (11532, 175095), (11673, 172980), (12555, 160828), (12970, 155682), (14415, 140076), (15564, 129735), (16740, 120621), (17298, 116730), (19220, 105057), (19455, 103788), (23346, 86490), (25110, 80414), (25940, 77841), (25947, 77820), (28830, 70038), (34596, 58365), (35019, 57660), (38910, 51894), (40207, 50220), (43245, 46692)]