2138090240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11681}}^1$

素因数の和:11726

約数の個数: 144

約数和(自身を含む): 6017258016

約数和(自身を除く): 3879167776

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1280, 1408, 1430, 1664, 1760, 2080, 2288, 2816, 2860, 3328, 3520, 4160, 4576, 5720, 7040, 8320, 9152, 11440, 11681, 14080, 16640, 18304, 22880, 23362, 36608, 45760, 46724, 58405, 91520, 93448, 116810, 128491, 151853, 183040, 186896, 233620, 256982, 303706, 373792, 467240, 513964, 607412, 642455, 747584, 759265, 934480, 1027928, 1214824, 1284910, 1495168, 1518530, 1670383, 1868960, 2055856, 2429648, 2569820, 2990336, 3037060, 3340766, 3737920, 4111712, 4859296, 5139640, 6074120, 6681532, 7475840, 8223424, 8351915, 9718592, 10279280, 12148240, 13363064, 14951680, 16446848, 16703830, 19437184, 20558560, 24296480, 26726128, 32893696, 33407660, 38874368, 41117120, 48592960, 53452256, 66815320, 82234240, 97185920, 106904512, 133630640, 164468480, 194371840, 213809024, 267261280, 427618048, 534522560, 1069045120, 2138090240]

約数ペア:

[(1, 2138090240), (2, 1069045120), (4, 534522560), (5, 427618048), (8, 267261280), (10, 213809024), (11, 194371840), (13, 164468480), (16, 133630640), (20, 106904512), (22, 97185920), (26, 82234240), (32, 66815320), (40, 53452256), (44, 48592960), (52, 41117120), (55, 38874368), (64, 33407660), (65, 32893696), (80, 26726128), (88, 24296480), (104, 20558560), (110, 19437184), (128, 16703830), (130, 16446848), (143, 14951680), (160, 13363064), (176, 12148240), (208, 10279280), (220, 9718592), (256, 8351915), (260, 8223424), (286, 7475840), (320, 6681532), (352, 6074120), (416, 5139640), (440, 4859296), (520, 4111712), (572, 3737920), (640, 3340766), (704, 3037060), (715, 2990336), (832, 2569820), (880, 2429648), (1040, 2055856), (1144, 1868960), (1280, 1670383), (1408, 1518530), (1430, 1495168), (1664, 1284910), (1760, 1214824), (2080, 1027928), (2288, 934480), (2816, 759265), (2860, 747584), (3328, 642455), (3520, 607412), (4160, 513964), (4576, 467240), (5720, 373792), (7040, 303706), (8320, 256982), (9152, 233620), (11440, 186896), (11681, 183040), (14080, 151853), (16640, 128491), (18304, 116810), (22880, 93448), (23362, 91520), (36608, 58405), (45760, 46724)]