645500160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:573

約数の個数: 216

約数和(自身を含む): 2255165640

約数和(自身を除く): 1609665480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 137, 144, 160, 180, 192, 240, 256, 274, 288, 320, 360, 384, 409, 411, 480, 548, 576, 640, 685, 720, 768, 818, 822, 960, 1096, 1152, 1227, 1233, 1280, 1370, 1440, 1636, 1644, 1920, 2045, 2055, 2192, 2304, 2454, 2466, 2740, 2880, 3272, 3288, 3681, 3840, 4090, 4110, 4384, 4908, 4932, 5480, 5760, 6135, 6165, 6544, 6576, 7362, 8180, 8220, 8768, 9816, 9864, 10960, 11520, 12270, 12330, 13088, 13152, 14724, 16360, 16440, 17536, 18405, 19632, 19728, 21920, 24540, 24660, 26176, 26304, 29448, 32720, 32880, 35072, 36810, 39264, 39456, 43840, 49080, 49320, 52352, 52608, 56033, 58896, 65440, 65760, 73620, 78528, 78912, 87680, 98160, 98640, 104704, 105216, 112066, 117792, 130880, 131520, 147240, 157056, 157824, 168099, 175360, 196320, 197280, 224132, 235584, 261760, 263040, 280165, 294480, 314112, 315648, 336198, 392640, 394560, 448264, 471168, 504297, 523520, 526080, 560330, 588960, 672396, 785280, 789120, 840495, 896528, 942336, 1008594, 1120660, 1177920, 1344792, 1570560, 1578240, 1680990, 1793056, 2017188, 2241320, 2355840, 2521485, 2689584, 3361980, 3586112, 4034376, 4482640, 4711680, 5042970, 5379168, 6723960, 7172224, 8068752, 8965280, 10085940, 10758336, 13447920, 14344448, 16137504, 17930560, 20171880, 21516672, 26895840, 32275008, 35861120, 40343760, 43033344, 53791680, 64550016, 71722240, 80687520, 107583360, 129100032, 161375040, 215166720, 322750080, 645500160]

約数ペア:

[(1, 645500160), (2, 322750080), (3, 215166720), (4, 161375040), (5, 129100032), (6, 107583360), (8, 80687520), (9, 71722240), (10, 64550016), (12, 53791680), (15, 43033344), (16, 40343760), (18, 35861120), (20, 32275008), (24, 26895840), (30, 21516672), (32, 20171880), (36, 17930560), (40, 16137504), (45, 14344448), (48, 13447920), (60, 10758336), (64, 10085940), (72, 8965280), (80, 8068752), (90, 7172224), (96, 6723960), (120, 5379168), (128, 5042970), (137, 4711680), (144, 4482640), (160, 4034376), (180, 3586112), (192, 3361980), (240, 2689584), (256, 2521485), (274, 2355840), (288, 2241320), (320, 2017188), (360, 1793056), (384, 1680990), (409, 1578240), (411, 1570560), (480, 1344792), (548, 1177920), (576, 1120660), (640, 1008594), (685, 942336), (720, 896528), (768, 840495), (818, 789120), (822, 785280), (960, 672396), (1096, 588960), (1152, 560330), (1227, 526080), (1233, 523520), (1280, 504297), (1370, 471168), (1440, 448264), (1636, 394560), (1644, 392640), (1920, 336198), (2045, 315648), (2055, 314112), (2192, 294480), (2304, 280165), (2454, 263040), (2466, 261760), (2740, 235584), (2880, 224132), (3272, 197280), (3288, 196320), (3681, 175360), (3840, 168099), (4090, 157824), (4110, 157056), (4384, 147240), (4908, 131520), (4932, 130880), (5480, 117792), (5760, 112066), (6135, 105216), (6165, 104704), (6544, 98640), (6576, 98160), (7362, 87680), (8180, 78912), (8220, 78528), (8768, 73620), (9816, 65760), (9864, 65440), (10960, 58896), (11520, 56033), (12270, 52608), (12330, 52352), (13088, 49320), (13152, 49080), (14724, 43840), (16360, 39456), (16440, 39264), (17536, 36810), (18405, 35072), (19632, 32880), (19728, 32720), (21920, 29448), (24540, 26304), (24660, 26176)]