420905520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3631}}^1$

素因数の和:3680

約数の個数: 240

約数和(自身を含む): 1686177792

約数和(自身を除く): 1265272272

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, 3631, 3864, 4140, 4830, 5040, 5520, 5796, 6440, 7245, 7262, 7728, 8280, 9660, 10893, 11592, 12880, 14490, 14524, 16560, 18155, 19320, 21786, 23184, 25417, 28980, 29048, 32679, 36310, 38640, 43572, 50834, 54465, 57960, 58096, 65358, 72620, 76251, 83513, 87144, 101668, 108930, 115920, 127085, 130716, 145240, 152502, 163395, 167026, 174288, 203336, 217860, 228753, 250539, 254170, 261432, 290480, 305004, 326790, 334052, 381255, 406672, 417565, 435720, 457506, 501078, 508340, 522864, 584591, 610008, 653580, 668104, 751617, 762510, 835130, 871440, 915012, 1002156, 1016680, 1143765, 1169182, 1220016, 1252695, 1307160, 1336208, 1503234, 1525020, 1670260, 1753773, 1830024, 2004312, 2033360, 2287530, 2338364, 2505390, 2614320, 2922955, 3006468, 3050040, 3340520, 3507546, 3660048, 3758085, 4008624, 4575060, 4676728, 5010780, 5261319, 5845910, 6012936, 6100080, 6681040, 7015092, 7516170, 8768865, 9150120, 9353456, 10021560, 10522638, 11691820, 12025872, 14030184, 15032340, 17537730, 18300240, 20043120, 21045276, 23383640, 26306595, 28060368, 30064680, 35075460, 42090552, 46767280, 52613190, 60129360, 70150920, 84181104, 105226380, 140301840, 210452760, 420905520]

約数ペア:

[(1, 420905520), (2, 210452760), (3, 140301840), (4, 105226380), (5, 84181104), (6, 70150920), (7, 60129360), (8, 52613190), (9, 46767280), (10, 42090552), (12, 35075460), (14, 30064680), (15, 28060368), (16, 26306595), (18, 23383640), (20, 21045276), (21, 20043120), (23, 18300240), (24, 17537730), (28, 15032340), (30, 14030184), (35, 12025872), (36, 11691820), (40, 10522638), (42, 10021560), (45, 9353456), (46, 9150120), (48, 8768865), (56, 7516170), (60, 7015092), (63, 6681040), (69, 6100080), (70, 6012936), (72, 5845910), (80, 5261319), (84, 5010780), (90, 4676728), (92, 4575060), (105, 4008624), (112, 3758085), (115, 3660048), (120, 3507546), (126, 3340520), (138, 3050040), (140, 3006468), (144, 2922955), (161, 2614320), (168, 2505390), (180, 2338364), (184, 2287530), (207, 2033360), (210, 2004312), (230, 1830024), (240, 1753773), (252, 1670260), (276, 1525020), (280, 1503234), (315, 1336208), (322, 1307160), (336, 1252695), (345, 1220016), (360, 1169182), (368, 1143765), (414, 1016680), (420, 1002156), (460, 915012), (483, 871440), (504, 835130), (552, 762510), (560, 751617), (630, 668104), (644, 653580), (690, 610008), (720, 584591), (805, 522864), (828, 508340), (840, 501078), (920, 457506), (966, 435720), (1008, 417565), (1035, 406672), (1104, 381255), (1260, 334052), (1288, 326790), (1380, 305004), (1449, 290480), (1610, 261432), (1656, 254170), (1680, 250539), (1840, 228753), (1932, 217860), (2070, 203336), (2415, 174288), (2520, 167026), (2576, 163395), (2760, 152502), (2898, 145240), (3220, 130716), (3312, 127085), (3631, 115920), (3864, 108930), (4140, 101668), (4830, 87144), (5040, 83513), (5520, 76251), (5796, 72620), (6440, 65358), (7245, 58096), (7262, 57960), (7728, 54465), (8280, 50834), (9660, 43572), (10893, 38640), (11592, 36310), (12880, 32679), (14490, 29048), (14524, 28980), (16560, 25417), (18155, 23184), (19320, 21786)]