1820204160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4493}}^1$

素因数の和:4726

約数の個数: 128

約数和(自身を含む): 5830695360

約数和(自身を除く): 4010491200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 211, 240, 320, 384, 422, 480, 633, 640, 844, 960, 1055, 1266, 1688, 1920, 2110, 2532, 3165, 3376, 4220, 4493, 5064, 6330, 6752, 8440, 8986, 10128, 12660, 13479, 13504, 16880, 17972, 20256, 22465, 25320, 26958, 27008, 33760, 35944, 40512, 44930, 50640, 53916, 67395, 67520, 71888, 81024, 89860, 101280, 107832, 134790, 135040, 143776, 179720, 202560, 215664, 269580, 287552, 359440, 405120, 431328, 539160, 575104, 718880, 862656, 948023, 1078320, 1437760, 1725312, 1896046, 2156640, 2844069, 2875520, 3792092, 4313280, 4740115, 5688138, 7584184, 8626560, 9480230, 11376276, 14220345, 15168368, 18960460, 22752552, 28440690, 30336736, 37920920, 45505104, 56881380, 60673472, 75841840, 91010208, 113762760, 121346944, 151683680, 182020416, 227525520, 303367360, 364040832, 455051040, 606734720, 910102080, 1820204160]

約数ペア:

[(1, 1820204160), (2, 910102080), (3, 606734720), (4, 455051040), (5, 364040832), (6, 303367360), (8, 227525520), (10, 182020416), (12, 151683680), (15, 121346944), (16, 113762760), (20, 91010208), (24, 75841840), (30, 60673472), (32, 56881380), (40, 45505104), (48, 37920920), (60, 30336736), (64, 28440690), (80, 22752552), (96, 18960460), (120, 15168368), (128, 14220345), (160, 11376276), (192, 9480230), (211, 8626560), (240, 7584184), (320, 5688138), (384, 4740115), (422, 4313280), (480, 3792092), (633, 2875520), (640, 2844069), (844, 2156640), (960, 1896046), (1055, 1725312), (1266, 1437760), (1688, 1078320), (1920, 948023), (2110, 862656), (2532, 718880), (3165, 575104), (3376, 539160), (4220, 431328), (4493, 405120), (5064, 359440), (6330, 287552), (6752, 269580), (8440, 215664), (8986, 202560), (10128, 179720), (12660, 143776), (13479, 135040), (13504, 134790), (16880, 107832), (17972, 101280), (20256, 89860), (22465, 81024), (25320, 71888), (26958, 67520), (27008, 67395), (33760, 53916), (35944, 50640), (40512, 44930)]