404891520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1061

約数の個数: 256

約数和(自身を含む): 1483488000

約数和(自身を除く): 1078596480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 110, 114, 120, 128, 132, 152, 160, 165, 176, 190, 192, 209, 220, 228, 240, 264, 285, 304, 320, 330, 352, 380, 384, 418, 440, 456, 480, 528, 570, 608, 627, 640, 660, 704, 760, 836, 880, 912, 960, 1009, 1045, 1056, 1140, 1216, 1254, 1320, 1408, 1520, 1672, 1760, 1824, 1920, 2018, 2090, 2112, 2280, 2432, 2508, 2640, 3027, 3040, 3135, 3344, 3520, 3648, 4036, 4180, 4224, 4560, 5016, 5045, 5280, 6054, 6080, 6270, 6688, 7040, 7296, 8072, 8360, 9120, 10032, 10090, 10560, 11099, 12108, 12160, 12540, 13376, 15135, 16144, 16720, 18240, 19171, 20064, 20180, 21120, 22198, 24216, 25080, 26752, 30270, 32288, 33297, 33440, 36480, 38342, 40128, 40360, 44396, 48432, 50160, 55495, 57513, 60540, 64576, 66594, 66880, 76684, 80256, 80720, 88792, 95855, 96864, 100320, 110990, 115026, 121080, 129152, 133188, 133760, 153368, 161440, 166485, 177584, 191710, 193728, 200640, 210881, 221980, 230052, 242160, 266376, 287565, 306736, 322880, 332970, 355168, 383420, 387456, 401280, 421762, 443960, 460104, 484320, 532752, 575130, 613472, 632643, 645760, 665940, 710336, 766840, 843524, 887920, 920208, 968640, 1054405, 1065504, 1150260, 1226944, 1265286, 1331880, 1420672, 1533680, 1687048, 1775840, 1840416, 1937280, 2108810, 2131008, 2300520, 2453888, 2530572, 2663760, 3067360, 3163215, 3374096, 3551680, 3680832, 4217620, 4262016, 4601040, 5061144, 5327520, 6134720, 6326430, 6748192, 7103360, 7361664, 8435240, 9202080, 10122288, 10655040, 12269440, 12652860, 13496384, 16870480, 18404160, 20244576, 21310080, 25305720, 26992768, 33740960, 36808320, 40489152, 50611440, 67481920, 80978304, 101222880, 134963840, 202445760, 404891520]

約数ペア:

[(1, 404891520), (2, 202445760), (3, 134963840), (4, 101222880), (5, 80978304), (6, 67481920), (8, 50611440), (10, 40489152), (11, 36808320), (12, 33740960), (15, 26992768), (16, 25305720), (19, 21310080), (20, 20244576), (22, 18404160), (24, 16870480), (30, 13496384), (32, 12652860), (33, 12269440), (38, 10655040), (40, 10122288), (44, 9202080), (48, 8435240), (55, 7361664), (57, 7103360), (60, 6748192), (64, 6326430), (66, 6134720), (76, 5327520), (80, 5061144), (88, 4601040), (95, 4262016), (96, 4217620), (110, 3680832), (114, 3551680), (120, 3374096), (128, 3163215), (132, 3067360), (152, 2663760), (160, 2530572), (165, 2453888), (176, 2300520), (190, 2131008), (192, 2108810), (209, 1937280), (220, 1840416), (228, 1775840), (240, 1687048), (264, 1533680), (285, 1420672), (304, 1331880), (320, 1265286), (330, 1226944), (352, 1150260), (380, 1065504), (384, 1054405), (418, 968640), (440, 920208), (456, 887920), (480, 843524), (528, 766840), (570, 710336), (608, 665940), (627, 645760), (640, 632643), (660, 613472), (704, 575130), (760, 532752), (836, 484320), (880, 460104), (912, 443960), (960, 421762), (1009, 401280), (1045, 387456), (1056, 383420), (1140, 355168), (1216, 332970), (1254, 322880), (1320, 306736), (1408, 287565), (1520, 266376), (1672, 242160), (1760, 230052), (1824, 221980), (1920, 210881), (2018, 200640), (2090, 193728), (2112, 191710), (2280, 177584), (2432, 166485), (2508, 161440), (2640, 153368), (3027, 133760), (3040, 133188), (3135, 129152), (3344, 121080), (3520, 115026), (3648, 110990), (4036, 100320), (4180, 96864), (4224, 95855), (4560, 88792), (5016, 80720), (5045, 80256), (5280, 76684), (6054, 66880), (6080, 66594), (6270, 64576), (6688, 60540), (7040, 57513), (7296, 55495), (8072, 50160), (8360, 48432), (9120, 44396), (10032, 40360), (10090, 40128), (10560, 38342), (11099, 36480), (12108, 33440), (12160, 33297), (12540, 32288), (13376, 30270), (15135, 26752), (16144, 25080), (16720, 24216), (18240, 22198), (19171, 21120), (20064, 20180)]