666578640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1386

約数の個数: 320

約数和(自身を含む): 2655830016

約数和(自身を除く): 1989251376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 48, 52, 56, 60, 65, 69, 70, 78, 80, 84, 91, 92, 104, 105, 112, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 208, 210, 230, 240, 260, 273, 276, 280, 299, 312, 322, 336, 345, 364, 368, 390, 420, 455, 460, 483, 520, 546, 552, 560, 598, 624, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1040, 1092, 1104, 1196, 1288, 1327, 1365, 1380, 1456, 1495, 1560, 1610, 1680, 1794, 1820, 1840, 1932, 2093, 2184, 2392, 2415, 2576, 2654, 2730, 2760, 2990, 3120, 3220, 3588, 3640, 3864, 3981, 4186, 4368, 4485, 4784, 4830, 5308, 5460, 5520, 5980, 6279, 6440, 6635, 7176, 7280, 7728, 7962, 8372, 8970, 9289, 9660, 10465, 10616, 10920, 11960, 12558, 12880, 13270, 14352, 15924, 16744, 17251, 17940, 18578, 19320, 19905, 20930, 21232, 21840, 23920, 25116, 26540, 27867, 30521, 31395, 31848, 33488, 34502, 35880, 37156, 38640, 39810, 41860, 46445, 50232, 51753, 53080, 55734, 61042, 62790, 63696, 69004, 71760, 74312, 79620, 83720, 86255, 91563, 92890, 100464, 103506, 106160, 111468, 120757, 122084, 125580, 138008, 139335, 148624, 152605, 159240, 167440, 172510, 183126, 185780, 207012, 213647, 222936, 241514, 244168, 251160, 258765, 276016, 278670, 305210, 318480, 345020, 362271, 366252, 371560, 396773, 414024, 427294, 445872, 457815, 483028, 488336, 502320, 517530, 557340, 603785, 610420, 640941, 690040, 724542, 732504, 743120, 793546, 828048, 854588, 915630, 966056, 1035060, 1068235, 1114680, 1190319, 1207570, 1220840, 1281882, 1380080, 1449084, 1465008, 1587092, 1709176, 1811355, 1831260, 1932112, 1983865, 2070120, 2136470, 2229360, 2380638, 2415140, 2441680, 2563764, 2777411, 2898168, 3174184, 3204705, 3418352, 3622710, 3662520, 3967730, 4140240, 4272940, 4761276, 4830280, 5127528, 5554822, 5796336, 5951595, 6348368, 6409410, 7245420, 7325040, 7935460, 8332233, 8545880, 9522552, 9660560, 10255056, 11109644, 11903190, 12818820, 13887055, 14490840, 15870920, 16664466, 17091760, 19045104, 22219288, 23806380, 25637640, 27774110, 28981680, 31741840, 33328932, 41661165, 44438576, 47612760, 51275280, 55548220, 66657864, 83322330, 95225520, 111096440, 133315728, 166644660, 222192880, 333289320, 666578640]

約数ペア:

[(1, 666578640), (2, 333289320), (3, 222192880), (4, 166644660), (5, 133315728), (6, 111096440), (7, 95225520), (8, 83322330), (10, 66657864), (12, 55548220), (13, 51275280), (14, 47612760), (15, 44438576), (16, 41661165), (20, 33328932), (21, 31741840), (23, 28981680), (24, 27774110), (26, 25637640), (28, 23806380), (30, 22219288), (35, 19045104), (39, 17091760), (40, 16664466), (42, 15870920), (46, 14490840), (48, 13887055), (52, 12818820), (56, 11903190), (60, 11109644), (65, 10255056), (69, 9660560), (70, 9522552), (78, 8545880), (80, 8332233), (84, 7935460), (91, 7325040), (92, 7245420), (104, 6409410), (105, 6348368), (112, 5951595), (115, 5796336), (120, 5554822), (130, 5127528), (138, 4830280), (140, 4761276), (156, 4272940), (161, 4140240), (168, 3967730), (182, 3662520), (184, 3622710), (195, 3418352), (208, 3204705), (210, 3174184), (230, 2898168), (240, 2777411), (260, 2563764), (273, 2441680), (276, 2415140), (280, 2380638), (299, 2229360), (312, 2136470), (322, 2070120), (336, 1983865), (345, 1932112), (364, 1831260), (368, 1811355), (390, 1709176), (420, 1587092), (455, 1465008), (460, 1449084), (483, 1380080), (520, 1281882), (546, 1220840), (552, 1207570), (560, 1190319), (598, 1114680), (624, 1068235), (644, 1035060), (690, 966056), (728, 915630), (780, 854588), (805, 828048), (840, 793546), (897, 743120), (910, 732504), (920, 724542), (966, 690040), (1040, 640941), (1092, 610420), (1104, 603785), (1196, 557340), (1288, 517530), (1327, 502320), (1365, 488336), (1380, 483028), (1456, 457815), (1495, 445872), (1560, 427294), (1610, 414024), (1680, 396773), (1794, 371560), (1820, 366252), (1840, 362271), (1932, 345020), (2093, 318480), (2184, 305210), (2392, 278670), (2415, 276016), (2576, 258765), (2654, 251160), (2730, 244168), (2760, 241514), (2990, 222936), (3120, 213647), (3220, 207012), (3588, 185780), (3640, 183126), (3864, 172510), (3981, 167440), (4186, 159240), (4368, 152605), (4485, 148624), (4784, 139335), (4830, 138008), (5308, 125580), (5460, 122084), (5520, 120757), (5980, 111468), (6279, 106160), (6440, 103506), (6635, 100464), (7176, 92890), (7280, 91563), (7728, 86255), (7962, 83720), (8372, 79620), (8970, 74312), (9289, 71760), (9660, 69004), (10465, 63696), (10616, 62790), (10920, 61042), (11960, 55734), (12558, 53080), (12880, 51753), (13270, 50232), (14352, 46445), (15924, 41860), (16744, 39810), (17251, 38640), (17940, 37156), (18578, 35880), (19320, 34502), (19905, 33488), (20930, 31848), (21232, 31395), (21840, 30521), (23920, 27867), (25116, 26540)]