217801920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{32411}}^1$

素因数の和:32438

約数の個数: 112

約数和(自身を含む): 790334208

約数和(自身を除く): 572532288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 32411, 64822, 97233, 129644, 162055, 194466, 226877, 259288, 324110, 388932, 453754, 486165, 518576, 648220, 680631, 777864, 907508, 972330, 1037152, 1134385, 1296440, 1361262, 1555728, 1815016, 1944660, 2074304, 2268770, 2592880, 2722524, 3111456, 3403155, 3630032, 3889320, 4537540, 5185760, 5445048, 6222912, 6806310, 7260064, 7778640, 9075080, 10371520, 10890096, 13612620, 14520128, 15557280, 18150160, 21780192, 27225240, 31114560, 36300320, 43560384, 54450480, 72600640, 108900960, 217801920]

約数ペア:

[(1, 217801920), (2, 108900960), (3, 72600640), (4, 54450480), (5, 43560384), (6, 36300320), (7, 31114560), (8, 27225240), (10, 21780192), (12, 18150160), (14, 15557280), (15, 14520128), (16, 13612620), (20, 10890096), (21, 10371520), (24, 9075080), (28, 7778640), (30, 7260064), (32, 6806310), (35, 6222912), (40, 5445048), (42, 5185760), (48, 4537540), (56, 3889320), (60, 3630032), (64, 3403155), (70, 3111456), (80, 2722524), (84, 2592880), (96, 2268770), (105, 2074304), (112, 1944660), (120, 1815016), (140, 1555728), (160, 1361262), (168, 1296440), (192, 1134385), (210, 1037152), (224, 972330), (240, 907508), (280, 777864), (320, 680631), (336, 648220), (420, 518576), (448, 486165), (480, 453754), (560, 388932), (672, 324110), (840, 259288), (960, 226877), (1120, 194466), (1344, 162055), (1680, 129644), (2240, 97233), (3360, 64822), (6720, 32411)]