221475240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{87887}}^1$

素因数の和:87911

約数の個数: 96

約数和(自身を含む): 822631680

約数和(自身を除く): 601156440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 87887, 175774, 263661, 351548, 439435, 527322, 615209, 703096, 790983, 878870, 1054644, 1230418, 1318305, 1581966, 1757740, 1845627, 2109288, 2460836, 2636610, 3076045, 3163932, 3515480, 3691254, 3954915, 4921672, 5273220, 5536881, 6152090, 6327864, 7382508, 7909830, 9228135, 10546440, 11073762, 12304180, 14765016, 15819660, 18456270, 22147524, 24608360, 27684405, 31639320, 36912540, 44295048, 55368810, 73825080, 110737620, 221475240]

約数ペア:

[(1, 221475240), (2, 110737620), (3, 73825080), (4, 55368810), (5, 44295048), (6, 36912540), (7, 31639320), (8, 27684405), (9, 24608360), (10, 22147524), (12, 18456270), (14, 15819660), (15, 14765016), (18, 12304180), (20, 11073762), (21, 10546440), (24, 9228135), (28, 7909830), (30, 7382508), (35, 6327864), (36, 6152090), (40, 5536881), (42, 5273220), (45, 4921672), (56, 3954915), (60, 3691254), (63, 3515480), (70, 3163932), (72, 3076045), (84, 2636610), (90, 2460836), (105, 2109288), (120, 1845627), (126, 1757740), (140, 1581966), (168, 1318305), (180, 1230418), (210, 1054644), (252, 878870), (280, 790983), (315, 703096), (360, 615209), (420, 527322), (504, 439435), (630, 351548), (840, 263661), (1260, 175774), (2520, 87887)]