678860640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 288

約数和(自身を含む): 2453068800

約数和(自身を除く): 1774208160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 103, 115, 120, 138, 144, 160, 180, 184, 199, 206, 207, 230, 240, 276, 288, 309, 345, 360, 368, 398, 412, 414, 460, 480, 515, 552, 597, 618, 690, 720, 736, 796, 824, 828, 920, 927, 995, 1030, 1035, 1104, 1194, 1236, 1380, 1440, 1545, 1592, 1648, 1656, 1791, 1840, 1854, 1990, 2060, 2070, 2208, 2369, 2388, 2472, 2760, 2985, 3090, 3184, 3296, 3312, 3582, 3680, 3708, 3980, 4120, 4140, 4577, 4635, 4738, 4776, 4944, 5520, 5970, 6180, 6368, 6624, 7107, 7164, 7416, 7960, 8240, 8280, 8955, 9154, 9270, 9476, 9552, 9888, 11040, 11845, 11940, 12360, 13731, 14214, 14328, 14832, 15920, 16480, 16560, 17910, 18308, 18540, 18952, 19104, 20497, 21321, 22885, 23690, 23880, 24720, 27462, 28428, 28656, 29664, 31840, 33120, 35535, 35820, 36616, 37080, 37904, 40994, 41193, 42642, 45770, 47380, 47760, 49440, 54924, 56856, 57312, 61491, 68655, 71070, 71640, 73232, 74160, 75808, 81988, 82386, 85284, 91540, 94760, 95520, 102485, 106605, 109848, 113712, 122982, 137310, 142140, 143280, 146464, 148320, 163976, 164772, 170568, 183080, 184473, 189520, 204970, 205965, 213210, 219696, 227424, 245964, 274620, 284280, 286560, 307455, 327952, 329544, 341136, 366160, 368946, 379040, 409940, 411930, 426420, 439392, 471431, 491928, 549240, 568560, 614910, 655904, 659088, 682272, 732320, 737892, 819880, 823860, 852840, 922365, 942862, 983856, 1098480, 1137120, 1229820, 1318176, 1414293, 1475784, 1639760, 1647720, 1705680, 1844730, 1885724, 1967712, 2196960, 2357155, 2459640, 2828586, 2951568, 3279520, 3295440, 3411360, 3689460, 3771448, 4242879, 4714310, 4919280, 5657172, 5903136, 6590880, 7071465, 7378920, 7542896, 8485758, 9428620, 9838560, 11314344, 14142930, 14757840, 15085792, 16971516, 18857240, 21214395, 22628688, 28285860, 29515680, 33943032, 37714480, 42428790, 45257376, 56571720, 67886064, 75428960, 84857580, 113143440, 135772128, 169715160, 226286880, 339430320, 678860640]

約数ペア:

[(1, 678860640), (2, 339430320), (3, 226286880), (4, 169715160), (5, 135772128), (6, 113143440), (8, 84857580), (9, 75428960), (10, 67886064), (12, 56571720), (15, 45257376), (16, 42428790), (18, 37714480), (20, 33943032), (23, 29515680), (24, 28285860), (30, 22628688), (32, 21214395), (36, 18857240), (40, 16971516), (45, 15085792), (46, 14757840), (48, 14142930), (60, 11314344), (69, 9838560), (72, 9428620), (80, 8485758), (90, 7542896), (92, 7378920), (96, 7071465), (103, 6590880), (115, 5903136), (120, 5657172), (138, 4919280), (144, 4714310), (160, 4242879), (180, 3771448), (184, 3689460), (199, 3411360), (206, 3295440), (207, 3279520), (230, 2951568), (240, 2828586), (276, 2459640), (288, 2357155), (309, 2196960), (345, 1967712), (360, 1885724), (368, 1844730), (398, 1705680), (412, 1647720), (414, 1639760), (460, 1475784), (480, 1414293), (515, 1318176), (552, 1229820), (597, 1137120), (618, 1098480), (690, 983856), (720, 942862), (736, 922365), (796, 852840), (824, 823860), (828, 819880), (920, 737892), (927, 732320), (995, 682272), (1030, 659088), (1035, 655904), (1104, 614910), (1194, 568560), (1236, 549240), (1380, 491928), (1440, 471431), (1545, 439392), (1592, 426420), (1648, 411930), (1656, 409940), (1791, 379040), (1840, 368946), (1854, 366160), (1990, 341136), (2060, 329544), (2070, 327952), (2208, 307455), (2369, 286560), (2388, 284280), (2472, 274620), (2760, 245964), (2985, 227424), (3090, 219696), (3184, 213210), (3296, 205965), (3312, 204970), (3582, 189520), (3680, 184473), (3708, 183080), (3980, 170568), (4120, 164772), (4140, 163976), (4577, 148320), (4635, 146464), (4738, 143280), (4776, 142140), (4944, 137310), (5520, 122982), (5970, 113712), (6180, 109848), (6368, 106605), (6624, 102485), (7107, 95520), (7164, 94760), (7416, 91540), (7960, 85284), (8240, 82386), (8280, 81988), (8955, 75808), (9154, 74160), (9270, 73232), (9476, 71640), (9552, 71070), (9888, 68655), (11040, 61491), (11845, 57312), (11940, 56856), (12360, 54924), (13731, 49440), (14214, 47760), (14328, 47380), (14832, 45770), (15920, 42642), (16480, 41193), (16560, 40994), (17910, 37904), (18308, 37080), (18540, 36616), (18952, 35820), (19104, 35535), (20497, 33120), (21321, 31840), (22885, 29664), (23690, 28656), (23880, 28428), (24720, 27462)]