639525120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:617

約数の個数: 288

約数和(自身を含む): 2299352832

約数和(自身を除く): 1659827712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 78, 80, 92, 96, 104, 115, 120, 128, 130, 138, 156, 160, 184, 192, 195, 208, 230, 240, 256, 260, 276, 299, 312, 320, 345, 368, 384, 390, 416, 460, 480, 520, 552, 557, 598, 624, 640, 690, 736, 768, 780, 832, 897, 920, 960, 1040, 1104, 1114, 1196, 1248, 1280, 1380, 1472, 1495, 1560, 1664, 1671, 1794, 1840, 1920, 2080, 2208, 2228, 2392, 2496, 2760, 2785, 2944, 2990, 3120, 3328, 3342, 3588, 3680, 3840, 4160, 4416, 4456, 4485, 4784, 4992, 5520, 5570, 5888, 5980, 6240, 6684, 7176, 7241, 7360, 8320, 8355, 8832, 8912, 8970, 9568, 9984, 11040, 11140, 11960, 12480, 12811, 13368, 14352, 14482, 14720, 16640, 16710, 17664, 17824, 17940, 19136, 21723, 22080, 22280, 23920, 24960, 25622, 26736, 28704, 28964, 29440, 33420, 35648, 35880, 36205, 38272, 38433, 43446, 44160, 44560, 47840, 49920, 51244, 53472, 57408, 57928, 64055, 66840, 71296, 71760, 72410, 76544, 76866, 86892, 88320, 89120, 95680, 102488, 106944, 108615, 114816, 115856, 128110, 133680, 142592, 143520, 144820, 153732, 166543, 173784, 178240, 191360, 192165, 204976, 213888, 217230, 229632, 231712, 256220, 267360, 287040, 289640, 307464, 333086, 347568, 356480, 382720, 384330, 409952, 427776, 434460, 463424, 499629, 512440, 534720, 574080, 579280, 614928, 666172, 695136, 712960, 768660, 819904, 832715, 868920, 926848, 999258, 1024880, 1069440, 1148160, 1158560, 1229856, 1332344, 1390272, 1537320, 1639808, 1665430, 1737840, 1853696, 1998516, 2049760, 2138880, 2317120, 2459712, 2498145, 2664688, 2780544, 3074640, 3279616, 3330860, 3475680, 3997032, 4099520, 4634240, 4919424, 4996290, 5329376, 5561088, 6149280, 6661720, 6951360, 7994064, 8199040, 9268480, 9838848, 9992580, 10658752, 12298560, 13323440, 13902720, 15988128, 16398080, 19985160, 21317504, 24597120, 26646880, 27805440, 31976256, 39970320, 42635008, 49194240, 53293760, 63952512, 79940640, 106587520, 127905024, 159881280, 213175040, 319762560, 639525120]

約数ペア:

[(1, 639525120), (2, 319762560), (3, 213175040), (4, 159881280), (5, 127905024), (6, 106587520), (8, 79940640), (10, 63952512), (12, 53293760), (13, 49194240), (15, 42635008), (16, 39970320), (20, 31976256), (23, 27805440), (24, 26646880), (26, 24597120), (30, 21317504), (32, 19985160), (39, 16398080), (40, 15988128), (46, 13902720), (48, 13323440), (52, 12298560), (60, 10658752), (64, 9992580), (65, 9838848), (69, 9268480), (78, 8199040), (80, 7994064), (92, 6951360), (96, 6661720), (104, 6149280), (115, 5561088), (120, 5329376), (128, 4996290), (130, 4919424), (138, 4634240), (156, 4099520), (160, 3997032), (184, 3475680), (192, 3330860), (195, 3279616), (208, 3074640), (230, 2780544), (240, 2664688), (256, 2498145), (260, 2459712), (276, 2317120), (299, 2138880), (312, 2049760), (320, 1998516), (345, 1853696), (368, 1737840), (384, 1665430), (390, 1639808), (416, 1537320), (460, 1390272), (480, 1332344), (520, 1229856), (552, 1158560), (557, 1148160), (598, 1069440), (624, 1024880), (640, 999258), (690, 926848), (736, 868920), (768, 832715), (780, 819904), (832, 768660), (897, 712960), (920, 695136), (960, 666172), (1040, 614928), (1104, 579280), (1114, 574080), (1196, 534720), (1248, 512440), (1280, 499629), (1380, 463424), (1472, 434460), (1495, 427776), (1560, 409952), (1664, 384330), (1671, 382720), (1794, 356480), (1840, 347568), (1920, 333086), (2080, 307464), (2208, 289640), (2228, 287040), (2392, 267360), (2496, 256220), (2760, 231712), (2785, 229632), (2944, 217230), (2990, 213888), (3120, 204976), (3328, 192165), (3342, 191360), (3588, 178240), (3680, 173784), (3840, 166543), (4160, 153732), (4416, 144820), (4456, 143520), (4485, 142592), (4784, 133680), (4992, 128110), (5520, 115856), (5570, 114816), (5888, 108615), (5980, 106944), (6240, 102488), (6684, 95680), (7176, 89120), (7241, 88320), (7360, 86892), (8320, 76866), (8355, 76544), (8832, 72410), (8912, 71760), (8970, 71296), (9568, 66840), (9984, 64055), (11040, 57928), (11140, 57408), (11960, 53472), (12480, 51244), (12811, 49920), (13368, 47840), (14352, 44560), (14482, 44160), (14720, 43446), (16640, 38433), (16710, 38272), (17664, 36205), (17824, 35880), (17940, 35648), (19136, 33420), (21723, 29440), (22080, 28964), (22280, 28704), (23920, 26736), (24960, 25622)]