28731360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:545

約数の個数: 192

約数和(自身を含む): 109734912

約数和(自身を除く): 81003552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 503, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1006, 1020, 1120, 1190, 1360, 1428, 1509, 1632, 1680, 1785, 1904, 2012, 2040, 2380, 2515, 2720, 2856, 3018, 3360, 3521, 3570, 3808, 4024, 4080, 4760, 5030, 5712, 6036, 7042, 7140, 7545, 8048, 8160, 8551, 9520, 10060, 10563, 11424, 12072, 14084, 14280, 15090, 16096, 17102, 17605, 19040, 20120, 21126, 24144, 25653, 28168, 28560, 30180, 34204, 35210, 40240, 42252, 42755, 48288, 51306, 52815, 56336, 57120, 59857, 60360, 68408, 70420, 80480, 84504, 85510, 102612, 105630, 112672, 119714, 120720, 128265, 136816, 140840, 169008, 171020, 179571, 205224, 211260, 239428, 241440, 256530, 273632, 281680, 299285, 338016, 342040, 359142, 410448, 422520, 478856, 513060, 563360, 598570, 684080, 718284, 820896, 845040, 897855, 957712, 1026120, 1197140, 1368160, 1436568, 1690080, 1795710, 1915424, 2052240, 2394280, 2873136, 3591420, 4104480, 4788560, 5746272, 7182840, 9577120, 14365680, 28731360]

約数ペア:

[(1, 28731360), (2, 14365680), (3, 9577120), (4, 7182840), (5, 5746272), (6, 4788560), (7, 4104480), (8, 3591420), (10, 2873136), (12, 2394280), (14, 2052240), (15, 1915424), (16, 1795710), (17, 1690080), (20, 1436568), (21, 1368160), (24, 1197140), (28, 1026120), (30, 957712), (32, 897855), (34, 845040), (35, 820896), (40, 718284), (42, 684080), (48, 598570), (51, 563360), (56, 513060), (60, 478856), (68, 422520), (70, 410448), (80, 359142), (84, 342040), (85, 338016), (96, 299285), (102, 281680), (105, 273632), (112, 256530), (119, 241440), (120, 239428), (136, 211260), (140, 205224), (160, 179571), (168, 171020), (170, 169008), (204, 140840), (210, 136816), (224, 128265), (238, 120720), (240, 119714), (255, 112672), (272, 105630), (280, 102612), (336, 85510), (340, 84504), (357, 80480), (408, 70420), (420, 68408), (476, 60360), (480, 59857), (503, 57120), (510, 56336), (544, 52815), (560, 51306), (595, 48288), (672, 42755), (680, 42252), (714, 40240), (816, 35210), (840, 34204), (952, 30180), (1006, 28560), (1020, 28168), (1120, 25653), (1190, 24144), (1360, 21126), (1428, 20120), (1509, 19040), (1632, 17605), (1680, 17102), (1785, 16096), (1904, 15090), (2012, 14280), (2040, 14084), (2380, 12072), (2515, 11424), (2720, 10563), (2856, 10060), (3018, 9520), (3360, 8551), (3521, 8160), (3570, 8048), (3808, 7545), (4024, 7140), (4080, 7042), (4760, 6036), (5030, 5712)]