28000080

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 200

約数和(自身を含む): 101277000

約数和(自身を除く): 73276920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 108, 116, 120, 135, 144, 145, 149, 162, 174, 180, 216, 232, 240, 261, 270, 290, 298, 324, 348, 360, 405, 432, 435, 447, 464, 522, 540, 580, 596, 648, 696, 720, 745, 783, 810, 870, 894, 1044, 1080, 1160, 1192, 1296, 1305, 1341, 1392, 1490, 1566, 1620, 1740, 1788, 2088, 2160, 2235, 2320, 2349, 2384, 2610, 2682, 2980, 3132, 3240, 3480, 3576, 3915, 4023, 4176, 4321, 4470, 4698, 5220, 5364, 5960, 6264, 6480, 6705, 6960, 7152, 7830, 8046, 8642, 8940, 9396, 10440, 10728, 11745, 11920, 12069, 12528, 12963, 13410, 15660, 16092, 17284, 17880, 18792, 20115, 20880, 21456, 21605, 23490, 24138, 25926, 26820, 31320, 32184, 34568, 35760, 37584, 38889, 40230, 43210, 46980, 48276, 51852, 53640, 60345, 62640, 64368, 64815, 69136, 77778, 80460, 86420, 93960, 96552, 103704, 107280, 116667, 120690, 129630, 155556, 160920, 172840, 187920, 193104, 194445, 207408, 233334, 241380, 259260, 311112, 321840, 345680, 350001, 388890, 466668, 482760, 518520, 583335, 622224, 700002, 777780, 933336, 965520, 1037040, 1166670, 1400004, 1555560, 1750005, 1866672, 2333340, 2800008, 3111120, 3500010, 4666680, 5600016, 7000020, 9333360, 14000040, 28000080]

約数ペア:

[(1, 28000080), (2, 14000040), (3, 9333360), (4, 7000020), (5, 5600016), (6, 4666680), (8, 3500010), (9, 3111120), (10, 2800008), (12, 2333340), (15, 1866672), (16, 1750005), (18, 1555560), (20, 1400004), (24, 1166670), (27, 1037040), (29, 965520), (30, 933336), (36, 777780), (40, 700002), (45, 622224), (48, 583335), (54, 518520), (58, 482760), (60, 466668), (72, 388890), (80, 350001), (81, 345680), (87, 321840), (90, 311112), (108, 259260), (116, 241380), (120, 233334), (135, 207408), (144, 194445), (145, 193104), (149, 187920), (162, 172840), (174, 160920), (180, 155556), (216, 129630), (232, 120690), (240, 116667), (261, 107280), (270, 103704), (290, 96552), (298, 93960), (324, 86420), (348, 80460), (360, 77778), (405, 69136), (432, 64815), (435, 64368), (447, 62640), (464, 60345), (522, 53640), (540, 51852), (580, 48276), (596, 46980), (648, 43210), (696, 40230), (720, 38889), (745, 37584), (783, 35760), (810, 34568), (870, 32184), (894, 31320), (1044, 26820), (1080, 25926), (1160, 24138), (1192, 23490), (1296, 21605), (1305, 21456), (1341, 20880), (1392, 20115), (1490, 18792), (1566, 17880), (1620, 17284), (1740, 16092), (1788, 15660), (2088, 13410), (2160, 12963), (2235, 12528), (2320, 12069), (2349, 11920), (2384, 11745), (2610, 10728), (2682, 10440), (2980, 9396), (3132, 8940), (3240, 8642), (3480, 8046), (3576, 7830), (3915, 7152), (4023, 6960), (4176, 6705), (4321, 6480), (4470, 6264), (4698, 5960), (5220, 5364)]