638462880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2371}}^1$

素因数の和:2420

約数の個数: 288

約数和(自身を含む): 2517697728

約数和(自身を除く): 1879234848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 96, 99, 102, 110, 120, 132, 136, 144, 153, 160, 165, 170, 176, 180, 187, 198, 204, 220, 240, 255, 264, 272, 288, 306, 330, 340, 352, 360, 374, 396, 408, 440, 480, 495, 510, 528, 544, 561, 612, 660, 680, 720, 748, 765, 792, 816, 880, 935, 990, 1020, 1056, 1122, 1224, 1320, 1360, 1440, 1496, 1530, 1584, 1632, 1683, 1760, 1870, 1980, 2040, 2244, 2371, 2448, 2640, 2720, 2805, 2992, 3060, 3168, 3366, 3740, 3960, 4080, 4488, 4742, 4896, 5280, 5610, 5984, 6120, 6732, 7113, 7480, 7920, 8160, 8415, 8976, 9484, 11220, 11855, 12240, 13464, 14226, 14960, 15840, 16830, 17952, 18968, 21339, 22440, 23710, 24480, 26081, 26928, 28452, 29920, 33660, 35565, 37936, 40307, 42678, 44880, 47420, 52162, 53856, 56904, 67320, 71130, 75872, 78243, 80614, 85356, 89760, 94840, 104324, 106695, 113808, 120921, 130405, 134640, 142260, 156486, 161228, 170712, 189680, 201535, 208648, 213390, 227616, 234729, 241842, 260810, 269280, 284520, 312972, 322456, 341424, 362763, 379360, 391215, 403070, 417296, 426780, 443377, 469458, 483684, 521620, 569040, 604605, 625944, 644912, 682848, 725526, 782430, 806140, 834592, 853560, 886754, 938916, 967368, 1043240, 1138080, 1173645, 1209210, 1251888, 1289824, 1330131, 1451052, 1564860, 1612280, 1707120, 1773508, 1813815, 1877832, 1934736, 2086480, 2216885, 2347290, 2418420, 2503776, 2660262, 2902104, 3129720, 3224560, 3414240, 3547016, 3627630, 3755664, 3869472, 3990393, 4172960, 4433770, 4694580, 4836840, 5320524, 5804208, 6259440, 6449120, 6650655, 7094032, 7255260, 7511328, 7980786, 8867540, 9389160, 9673680, 10641048, 11608416, 12518880, 13301310, 14188064, 14510520, 15961572, 17735080, 18778320, 19347360, 19951965, 21282096, 26602620, 29021040, 31923144, 35470160, 37556640, 39903930, 42564192, 53205240, 58042080, 63846288, 70940320, 79807860, 106410480, 127692576, 159615720, 212820960, 319231440, 638462880]

約数ペア:

[(1, 638462880), (2, 319231440), (3, 212820960), (4, 159615720), (5, 127692576), (6, 106410480), (8, 79807860), (9, 70940320), (10, 63846288), (11, 58042080), (12, 53205240), (15, 42564192), (16, 39903930), (17, 37556640), (18, 35470160), (20, 31923144), (22, 29021040), (24, 26602620), (30, 21282096), (32, 19951965), (33, 19347360), (34, 18778320), (36, 17735080), (40, 15961572), (44, 14510520), (45, 14188064), (48, 13301310), (51, 12518880), (55, 11608416), (60, 10641048), (66, 9673680), (68, 9389160), (72, 8867540), (80, 7980786), (85, 7511328), (88, 7255260), (90, 7094032), (96, 6650655), (99, 6449120), (102, 6259440), (110, 5804208), (120, 5320524), (132, 4836840), (136, 4694580), (144, 4433770), (153, 4172960), (160, 3990393), (165, 3869472), (170, 3755664), (176, 3627630), (180, 3547016), (187, 3414240), (198, 3224560), (204, 3129720), (220, 2902104), (240, 2660262), (255, 2503776), (264, 2418420), (272, 2347290), (288, 2216885), (306, 2086480), (330, 1934736), (340, 1877832), (352, 1813815), (360, 1773508), (374, 1707120), (396, 1612280), (408, 1564860), (440, 1451052), (480, 1330131), (495, 1289824), (510, 1251888), (528, 1209210), (544, 1173645), (561, 1138080), (612, 1043240), (660, 967368), (680, 938916), (720, 886754), (748, 853560), (765, 834592), (792, 806140), (816, 782430), (880, 725526), (935, 682848), (990, 644912), (1020, 625944), (1056, 604605), (1122, 569040), (1224, 521620), (1320, 483684), (1360, 469458), (1440, 443377), (1496, 426780), (1530, 417296), (1584, 403070), (1632, 391215), (1683, 379360), (1760, 362763), (1870, 341424), (1980, 322456), (2040, 312972), (2244, 284520), (2371, 269280), (2448, 260810), (2640, 241842), (2720, 234729), (2805, 227616), (2992, 213390), (3060, 208648), (3168, 201535), (3366, 189680), (3740, 170712), (3960, 161228), (4080, 156486), (4488, 142260), (4742, 134640), (4896, 130405), (5280, 120921), (5610, 113808), (5984, 106695), (6120, 104324), (6732, 94840), (7113, 89760), (7480, 85356), (7920, 80614), (8160, 78243), (8415, 75872), (8976, 71130), (9484, 67320), (11220, 56904), (11855, 53856), (12240, 52162), (13464, 47420), (14226, 44880), (14960, 42678), (15840, 40307), (16830, 37936), (17952, 35565), (18968, 33660), (21339, 29920), (22440, 28452), (23710, 26928), (24480, 26081)]