668645120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 216

約数和(自身を含む): 1898687952

約数和(自身を除く): 1230042832

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, 169, 176, 208, 220, 256, 260, 281, 286, 320, 338, 352, 416, 440, 520, 562, 572, 640, 676, 704, 715, 832, 845, 880, 1040, 1124, 1144, 1280, 1352, 1405, 1408, 1430, 1664, 1690, 1760, 1859, 2080, 2248, 2288, 2704, 2810, 2816, 2860, 3091, 3328, 3380, 3520, 3653, 3718, 4160, 4496, 4576, 5408, 5620, 5720, 6182, 6760, 7040, 7306, 7436, 8320, 8992, 9152, 9295, 10816, 11240, 11440, 12364, 13520, 14080, 14612, 14872, 15455, 16640, 17984, 18265, 18304, 18590, 21632, 22480, 22880, 24728, 27040, 29224, 29744, 30910, 35968, 36530, 36608, 37180, 40183, 43264, 44960, 45760, 47489, 49456, 54080, 58448, 59488, 61820, 71936, 73060, 74360, 80366, 89920, 91520, 94978, 98912, 108160, 116896, 118976, 123640, 146120, 148720, 160732, 179840, 183040, 189956, 197824, 200915, 216320, 233792, 237445, 237952, 247280, 292240, 297440, 321464, 359680, 379912, 395648, 401830, 467584, 474890, 475904, 494560, 522379, 584480, 594880, 642928, 759824, 791296, 803660, 935168, 949780, 989120, 1044758, 1168960, 1189760, 1285856, 1519648, 1607320, 1899560, 1978240, 2089516, 2337920, 2379520, 2571712, 2611895, 3039296, 3214640, 3799120, 3956480, 4179032, 4675840, 5143424, 5223790, 6078592, 6429280, 7598240, 8358064, 10286848, 10447580, 12157184, 12858560, 15196480, 16716128, 20895160, 25717120, 30392960, 33432256, 41790320, 51434240, 60785920, 66864512, 83580640, 133729024, 167161280, 334322560, 668645120]

約数ペア:

[(1, 668645120), (2, 334322560), (4, 167161280), (5, 133729024), (8, 83580640), (10, 66864512), (11, 60785920), (13, 51434240), (16, 41790320), (20, 33432256), (22, 30392960), (26, 25717120), (32, 20895160), (40, 16716128), (44, 15196480), (52, 12858560), (55, 12157184), (64, 10447580), (65, 10286848), (80, 8358064), (88, 7598240), (104, 6429280), (110, 6078592), (128, 5223790), (130, 5143424), (143, 4675840), (160, 4179032), (169, 3956480), (176, 3799120), (208, 3214640), (220, 3039296), (256, 2611895), (260, 2571712), (281, 2379520), (286, 2337920), (320, 2089516), (338, 1978240), (352, 1899560), (416, 1607320), (440, 1519648), (520, 1285856), (562, 1189760), (572, 1168960), (640, 1044758), (676, 989120), (704, 949780), (715, 935168), (832, 803660), (845, 791296), (880, 759824), (1040, 642928), (1124, 594880), (1144, 584480), (1280, 522379), (1352, 494560), (1405, 475904), (1408, 474890), (1430, 467584), (1664, 401830), (1690, 395648), (1760, 379912), (1859, 359680), (2080, 321464), (2248, 297440), (2288, 292240), (2704, 247280), (2810, 237952), (2816, 237445), (2860, 233792), (3091, 216320), (3328, 200915), (3380, 197824), (3520, 189956), (3653, 183040), (3718, 179840), (4160, 160732), (4496, 148720), (4576, 146120), (5408, 123640), (5620, 118976), (5720, 116896), (6182, 108160), (6760, 98912), (7040, 94978), (7306, 91520), (7436, 89920), (8320, 80366), (8992, 74360), (9152, 73060), (9295, 71936), (10816, 61820), (11240, 59488), (11440, 58448), (12364, 54080), (13520, 49456), (14080, 47489), (14612, 45760), (14872, 44960), (15455, 43264), (16640, 40183), (17984, 37180), (18265, 36608), (18304, 36530), (18590, 35968), (21632, 30910), (22480, 29744), (22880, 29224), (24728, 27040)]