420967680

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{15661}}^1$

素因数の和:15692

約数の個数: 144

約数和(自身を含む): 1536630144

約数和(自身を除く): 1115662464

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, 15661, 26880, 31322, 46983, 62644, 78305, 93966, 109627, 125288, 156610, 187932, 219254, 234915, 250576, 313220, 328881, 375864, 438508, 469830, 501152, 548135, 626440, 657762, 751728, 877016, 939660, 1002304, 1096270, 1252880, 1315524, 1503456, 1644405, 1754032, 1879320, 2004608, 2192540, 2505760, 2631048, 3006912, 3288810, 3508064, 3758640, 4009216, 4385080, 5011520, 5262096, 6013824, 6577620, 7016128, 7517280, 8770160, 10023040, 10524192, 12027648, 13155240, 14032256, 15034560, 17540320, 20046080, 21048384, 26310480, 28064512, 30069120, 35080640, 42096768, 52620960, 60138240, 70161280, 84193536, 105241920, 140322560, 210483840, 420967680]

約数ペア:

[(1, 420967680), (2, 210483840), (3, 140322560), (4, 105241920), (5, 84193536), (6, 70161280), (7, 60138240), (8, 52620960), (10, 42096768), (12, 35080640), (14, 30069120), (15, 28064512), (16, 26310480), (20, 21048384), (21, 20046080), (24, 17540320), (28, 15034560), (30, 14032256), (32, 13155240), (35, 12027648), (40, 10524192), (42, 10023040), (48, 8770160), (56, 7517280), (60, 7016128), (64, 6577620), (70, 6013824), (80, 5262096), (84, 5011520), (96, 4385080), (105, 4009216), (112, 3758640), (120, 3508064), (128, 3288810), (140, 3006912), (160, 2631048), (168, 2505760), (192, 2192540), (210, 2004608), (224, 1879320), (240, 1754032), (256, 1644405), (280, 1503456), (320, 1315524), (336, 1252880), (384, 1096270), (420, 1002304), (448, 939660), (480, 877016), (560, 751728), (640, 657762), (672, 626440), (768, 548135), (840, 501152), (896, 469830), (960, 438508), (1120, 375864), (1280, 328881), (1344, 313220), (1680, 250576), (1792, 234915), (1920, 219254), (2240, 187932), (2688, 156610), (3360, 125288), (3840, 109627), (4480, 93966), (5376, 78305), (6720, 62644), (8960, 46983), (13440, 31322), (15661, 26880)]