201721781520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1740181}}^1$

素因数の和:1740230

約数の個数: 240

約数和(自身を含む): 807889934592

約数和(自身を除く): 606168153072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3864, 4140, 4830, 5040, 5520, 5796, 6440, 7245, 7728, 8280, 9660, 11592, 12880, 14490, 16560, 19320, 23184, 28980, 38640, 57960, 115920, 1740181, 3480362, 5220543, 6960724, 8700905, 10441086, 12181267, 13921448, 15661629, 17401810, 20882172, 24362534, 26102715, 27842896, 31323258, 34803620, 36543801, 40024163, 41764344, 48725068, 52205430, 60906335, 62646516, 69607240, 73087602, 78308145, 80048326, 83528688, 97450136, 104410860, 109631403, 120072489, 121812670, 125293032, 139214480, 146175204, 156616290, 160096652, 182719005, 194900272, 200120815, 208821720, 219262806, 240144978, 243625340, 250586064, 280169141, 292350408, 313232580, 320193304, 360217467, 365438010, 400241630, 417643440, 438525612, 480289956, 487250680, 548157015, 560338282, 584700816, 600362445, 626465160, 640386608, 720434934, 730876020, 800483260, 840507423, 877051224, 960579912, 974501360, 1096314030, 1120676564, 1200724890, 1252930320, 1400845705, 1440869868, 1461752040, 1600966520, 1681014846, 1754102448, 1801087335, 1921159824, 2192628060, 2241353128, 2401449780, 2521522269, 2801691410, 2881739736, 2923504080, 3201933040, 3362029692, 3602174670, 4202537115, 4385256120, 4482706256, 4802899560, 5043044538, 5603382820, 5763479472, 6724059384, 7204349340, 8405074230, 8770512240, 9605799120, 10086089076, 11206765640, 12607611345, 13448118768, 14408698680, 16810148460, 20172178152, 22413531280, 25215222690, 28817397360, 33620296920, 40344356304, 50430445380, 67240593840, 100860890760, 201721781520]

約数ペア:

[(1, 201721781520), (2, 100860890760), (3, 67240593840), (4, 50430445380), (5, 40344356304), (6, 33620296920), (7, 28817397360), (8, 25215222690), (9, 22413531280), (10, 20172178152), (12, 16810148460), (14, 14408698680), (15, 13448118768), (16, 12607611345), (18, 11206765640), (20, 10086089076), (21, 9605799120), (23, 8770512240), (24, 8405074230), (28, 7204349340), (30, 6724059384), (35, 5763479472), (36, 5603382820), (40, 5043044538), (42, 4802899560), (45, 4482706256), (46, 4385256120), (48, 4202537115), (56, 3602174670), (60, 3362029692), (63, 3201933040), (69, 2923504080), (70, 2881739736), (72, 2801691410), (80, 2521522269), (84, 2401449780), (90, 2241353128), (92, 2192628060), (105, 1921159824), (112, 1801087335), (115, 1754102448), (120, 1681014846), (126, 1600966520), (138, 1461752040), (140, 1440869868), (144, 1400845705), (161, 1252930320), (168, 1200724890), (180, 1120676564), (184, 1096314030), (207, 974501360), (210, 960579912), (230, 877051224), (240, 840507423), (252, 800483260), (276, 730876020), (280, 720434934), (315, 640386608), (322, 626465160), (336, 600362445), (345, 584700816), (360, 560338282), (368, 548157015), (414, 487250680), (420, 480289956), (460, 438525612), (483, 417643440), (504, 400241630), (552, 365438010), (560, 360217467), (630, 320193304), (644, 313232580), (690, 292350408), (720, 280169141), (805, 250586064), (828, 243625340), (840, 240144978), (920, 219262806), (966, 208821720), (1008, 200120815), (1035, 194900272), (1104, 182719005), (1260, 160096652), (1288, 156616290), (1380, 146175204), (1449, 139214480), (1610, 125293032), (1656, 121812670), (1680, 120072489), (1840, 109631403), (1932, 104410860), (2070, 97450136), (2415, 83528688), (2520, 80048326), (2576, 78308145), (2760, 73087602), (2898, 69607240), (3220, 62646516), (3312, 60906335), (3864, 52205430), (4140, 48725068), (4830, 41764344), (5040, 40024163), (5520, 36543801), (5796, 34803620), (6440, 31323258), (7245, 27842896), (7728, 26102715), (8280, 24362534), (9660, 20882172), (11592, 17401810), (12880, 15661629), (14490, 13921448), (16560, 12181267), (19320, 10441086), (23184, 8700905), (28980, 6960724), (38640, 5220543), (57960, 3480362), (115920, 1740181)]