281701560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19727}}^1$

素因数の和:19765

約数の個数: 128

約数和(自身を含む): 1022699520

約数和(自身を除く): 740997960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 19727, 39454, 59181, 78908, 98635, 118362, 138089, 157816, 197270, 236724, 276178, 295905, 335359, 394540, 414267, 473448, 552356, 591810, 670718, 690445, 789080, 828534, 1006077, 1104712, 1183620, 1341436, 1380890, 1657068, 1676795, 2012154, 2071335, 2347513, 2367240, 2682872, 2761780, 3314136, 3353590, 4024308, 4142670, 4695026, 5030385, 5523560, 6707180, 7042539, 8048616, 8285340, 9390052, 10060770, 11737565, 13414360, 14085078, 16570680, 18780104, 20121540, 23475130, 28170156, 35212695, 40243080, 46950260, 56340312, 70425390, 93900520, 140850780, 281701560]

約数ペア:

[(1, 281701560), (2, 140850780), (3, 93900520), (4, 70425390), (5, 56340312), (6, 46950260), (7, 40243080), (8, 35212695), (10, 28170156), (12, 23475130), (14, 20121540), (15, 18780104), (17, 16570680), (20, 14085078), (21, 13414360), (24, 11737565), (28, 10060770), (30, 9390052), (34, 8285340), (35, 8048616), (40, 7042539), (42, 6707180), (51, 5523560), (56, 5030385), (60, 4695026), (68, 4142670), (70, 4024308), (84, 3353590), (85, 3314136), (102, 2761780), (105, 2682872), (119, 2367240), (120, 2347513), (136, 2071335), (140, 2012154), (168, 1676795), (170, 1657068), (204, 1380890), (210, 1341436), (238, 1183620), (255, 1104712), (280, 1006077), (340, 828534), (357, 789080), (408, 690445), (420, 670718), (476, 591810), (510, 552356), (595, 473448), (680, 414267), (714, 394540), (840, 335359), (952, 295905), (1020, 276178), (1190, 236724), (1428, 197270), (1785, 157816), (2040, 138089), (2380, 118362), (2856, 98635), (3570, 78908), (4760, 59181), (7140, 39454), (14280, 19727)]