201719280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1056

約数の個数: 240

約数和(自身を含む): 770977440

約数和(自身を除く): 569258160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 714, 735, 784, 816, 833, 840, 952, 980, 1009, 1020, 1176, 1190, 1360, 1428, 1470, 1666, 1680, 1785, 1904, 1960, 2018, 2040, 2352, 2380, 2499, 2856, 2940, 3027, 3332, 3570, 3920, 4036, 4080, 4165, 4760, 4998, 5045, 5712, 5880, 6054, 6664, 7063, 7140, 8072, 8330, 9520, 9996, 10090, 11760, 12108, 12495, 13328, 14126, 14280, 15135, 16144, 16660, 17153, 19992, 20180, 21189, 24216, 24990, 28252, 28560, 30270, 33320, 34306, 35315, 39984, 40360, 42378, 48432, 49441, 49980, 51459, 56504, 60540, 66640, 68612, 70630, 80720, 84756, 85765, 98882, 99960, 102918, 105945, 113008, 120071, 121080, 137224, 141260, 148323, 169512, 171530, 197764, 199920, 205836, 211890, 240142, 242160, 247205, 257295, 274448, 282520, 296646, 339024, 343060, 360213, 395528, 411672, 423780, 480284, 494410, 514590, 565040, 593292, 600355, 686120, 720426, 741615, 791056, 823344, 840497, 847560, 960568, 988820, 1029180, 1186584, 1200710, 1372240, 1440852, 1483230, 1680994, 1695120, 1801065, 1921136, 1977640, 2058360, 2373168, 2401420, 2521491, 2881704, 2966460, 3361988, 3602130, 3955280, 4116720, 4202485, 4802840, 5042982, 5763408, 5932920, 6723976, 7204260, 8404970, 9605680, 10085964, 11865840, 12607455, 13447952, 14408520, 16809940, 20171928, 25214910, 28817040, 33619880, 40343856, 50429820, 67239760, 100859640, 201719280]

約数ペア:

[(1, 201719280), (2, 100859640), (3, 67239760), (4, 50429820), (5, 40343856), (6, 33619880), (7, 28817040), (8, 25214910), (10, 20171928), (12, 16809940), (14, 14408520), (15, 13447952), (16, 12607455), (17, 11865840), (20, 10085964), (21, 9605680), (24, 8404970), (28, 7204260), (30, 6723976), (34, 5932920), (35, 5763408), (40, 5042982), (42, 4802840), (48, 4202485), (49, 4116720), (51, 3955280), (56, 3602130), (60, 3361988), (68, 2966460), (70, 2881704), (80, 2521491), (84, 2401420), (85, 2373168), (98, 2058360), (102, 1977640), (105, 1921136), (112, 1801065), (119, 1695120), (120, 1680994), (136, 1483230), (140, 1440852), (147, 1372240), (168, 1200710), (170, 1186584), (196, 1029180), (204, 988820), (210, 960568), (238, 847560), (240, 840497), (245, 823344), (255, 791056), (272, 741615), (280, 720426), (294, 686120), (336, 600355), (340, 593292), (357, 565040), (392, 514590), (408, 494410), (420, 480284), (476, 423780), (490, 411672), (510, 395528), (560, 360213), (588, 343060), (595, 339024), (680, 296646), (714, 282520), (735, 274448), (784, 257295), (816, 247205), (833, 242160), (840, 240142), (952, 211890), (980, 205836), (1009, 199920), (1020, 197764), (1176, 171530), (1190, 169512), (1360, 148323), (1428, 141260), (1470, 137224), (1666, 121080), (1680, 120071), (1785, 113008), (1904, 105945), (1960, 102918), (2018, 99960), (2040, 98882), (2352, 85765), (2380, 84756), (2499, 80720), (2856, 70630), (2940, 68612), (3027, 66640), (3332, 60540), (3570, 56504), (3920, 51459), (4036, 49980), (4080, 49441), (4165, 48432), (4760, 42378), (4998, 40360), (5045, 39984), (5712, 35315), (5880, 34306), (6054, 33320), (6664, 30270), (7063, 28560), (7140, 28252), (8072, 24990), (8330, 24216), (9520, 21189), (9996, 20180), (10090, 19992), (11760, 17153), (12108, 16660), (12495, 16144), (13328, 15135), (14126, 14280)]