421451520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{15679}}^1$

素因数の和:15710

約数の個数: 144

約数和(自身を含む): 1538396160

約数和(自身を除く): 1116944640

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, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 15679, 26880, 31358, 47037, 62716, 78395, 94074, 109753, 125432, 156790, 188148, 219506, 235185, 250864, 313580, 329259, 376296, 439012, 470370, 501728, 548765, 627160, 658518, 752592, 878024, 940740, 1003456, 1097530, 1254320, 1317036, 1505184, 1646295, 1756048, 1881480, 2006912, 2195060, 2508640, 2634072, 3010368, 3292590, 3512096, 3762960, 4013824, 4390120, 5017280, 5268144, 6020736, 6585180, 7024192, 7525920, 8780240, 10034560, 10536288, 12041472, 13170360, 14048384, 15051840, 17560480, 20069120, 21072576, 26340720, 28096768, 30103680, 35120960, 42145152, 52681440, 60207360, 70241920, 84290304, 105362880, 140483840, 210725760, 421451520]

約数ペア:

[(1, 421451520), (2, 210725760), (3, 140483840), (4, 105362880), (5, 84290304), (6, 70241920), (7, 60207360), (8, 52681440), (10, 42145152), (12, 35120960), (14, 30103680), (15, 28096768), (16, 26340720), (20, 21072576), (21, 20069120), (24, 17560480), (28, 15051840), (30, 14048384), (32, 13170360), (35, 12041472), (40, 10536288), (42, 10034560), (48, 8780240), (56, 7525920), (60, 7024192), (64, 6585180), (70, 6020736), (80, 5268144), (84, 5017280), (96, 4390120), (105, 4013824), (112, 3762960), (120, 3512096), (128, 3292590), (140, 3010368), (160, 2634072), (168, 2508640), (192, 2195060), (210, 2006912), (224, 1881480), (240, 1756048), (256, 1646295), (280, 1505184), (320, 1317036), (336, 1254320), (384, 1097530), (420, 1003456), (448, 940740), (480, 878024), (560, 752592), (640, 658518), (672, 627160), (768, 548765), (840, 501728), (896, 470370), (960, 439012), (1120, 376296), (1280, 329259), (1344, 313580), (1680, 250864), (1792, 235185), (1920, 219506), (2240, 188148), (2688, 156790), (3360, 125432), (3840, 109753), (4480, 94074), (5376, 78395), (6720, 62716), (8960, 47037), (13440, 31358), (15679, 26880)]