47151720

素因数分解:

$2^3\times 3^7\times 5^1\times 7^2\times {\mathrm{11}}^1$

素因数の和:57

約数の個数: 384

約数和(自身を含む): 201916800

約数和(自身を除く): 154765080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 54, 55, 56, 60, 63, 66, 70, 72, 77, 81, 84, 88, 90, 98, 99, 105, 108, 110, 120, 126, 132, 135, 140, 147, 154, 162, 165, 168, 180, 189, 196, 198, 210, 216, 220, 231, 243, 245, 252, 264, 270, 280, 294, 297, 308, 315, 324, 330, 360, 378, 385, 392, 396, 405, 420, 440, 441, 462, 486, 490, 495, 504, 539, 540, 567, 588, 594, 616, 630, 648, 660, 693, 729, 735, 756, 770, 792, 810, 840, 882, 891, 924, 945, 972, 980, 990, 1078, 1080, 1134, 1155, 1176, 1188, 1215, 1260, 1320, 1323, 1386, 1458, 1470, 1485, 1512, 1540, 1617, 1620, 1701, 1764, 1782, 1848, 1890, 1944, 1960, 1980, 2079, 2156, 2187, 2205, 2268, 2310, 2376, 2430, 2520, 2646, 2673, 2695, 2772, 2835, 2916, 2940, 2970, 3080, 3234, 3240, 3402, 3465, 3528, 3564, 3645, 3780, 3960, 3969, 4158, 4312, 4374, 4410, 4455, 4536, 4620, 4851, 4860, 5103, 5292, 5346, 5390, 5544, 5670, 5832, 5880, 5940, 6237, 6468, 6615, 6804, 6930, 7128, 7290, 7560, 7938, 8019, 8085, 8316, 8505, 8748, 8820, 8910, 9240, 9702, 9720, 10206, 10395, 10584, 10692, 10780, 10935, 11340, 11880, 11907, 12474, 12936, 13230, 13365, 13608, 13860, 14553, 14580, 15309, 15876, 16038, 16170, 16632, 17010, 17496, 17640, 17820, 18711, 19404, 19845, 20412, 20790, 21384, 21560, 21870, 22680, 23814, 24057, 24255, 24948, 25515, 26460, 26730, 27720, 29106, 29160, 30618, 31185, 31752, 32076, 32340, 34020, 35640, 35721, 37422, 38808, 39690, 40095, 40824, 41580, 43659, 43740, 47628, 48114, 48510, 49896, 51030, 52920, 53460, 56133, 58212, 59535, 61236, 62370, 64152, 64680, 68040, 71442, 72765, 74844, 76545, 79380, 80190, 83160, 87318, 87480, 93555, 95256, 96228, 97020, 102060, 106920, 107163, 112266, 116424, 119070, 120285, 122472, 124740, 130977, 142884, 145530, 149688, 153090, 158760, 160380, 168399, 174636, 178605, 187110, 192456, 194040, 204120, 214326, 218295, 224532, 238140, 240570, 249480, 261954, 280665, 285768, 291060, 306180, 320760, 336798, 349272, 357210, 374220, 392931, 428652, 436590, 449064, 476280, 481140, 523908, 535815, 561330, 582120, 612360, 654885, 673596, 714420, 748440, 785862, 841995, 857304, 873180, 962280, 1047816, 1071630, 1122660, 1178793, 1309770, 1347192, 1428840, 1571724, 1683990, 1746360, 1964655, 2143260, 2245320, 2357586, 2619540, 3143448, 3367980, 3929310, 4286520, 4715172, 5239080, 5893965, 6735960, 7858620, 9430344, 11787930, 15717240, 23575860, 47151720]

約数ペア:

[(1, 47151720), (2, 23575860), (3, 15717240), (4, 11787930), (5, 9430344), (6, 7858620), (7, 6735960), (8, 5893965), (9, 5239080), (10, 4715172), (11, 4286520), (12, 3929310), (14, 3367980), (15, 3143448), (18, 2619540), (20, 2357586), (21, 2245320), (22, 2143260), (24, 1964655), (27, 1746360), (28, 1683990), (30, 1571724), (33, 1428840), (35, 1347192), (36, 1309770), (40, 1178793), (42, 1122660), (44, 1071630), (45, 1047816), (49, 962280), (54, 873180), (55, 857304), (56, 841995), (60, 785862), (63, 748440), (66, 714420), (70, 673596), (72, 654885), (77, 612360), (81, 582120), (84, 561330), (88, 535815), (90, 523908), (98, 481140), (99, 476280), (105, 449064), (108, 436590), (110, 428652), (120, 392931), (126, 374220), (132, 357210), (135, 349272), (140, 336798), (147, 320760), (154, 306180), (162, 291060), (165, 285768), (168, 280665), (180, 261954), (189, 249480), (196, 240570), (198, 238140), (210, 224532), (216, 218295), (220, 214326), (231, 204120), (243, 194040), (245, 192456), (252, 187110), (264, 178605), (270, 174636), (280, 168399), (294, 160380), (297, 158760), (308, 153090), (315, 149688), (324, 145530), (330, 142884), (360, 130977), (378, 124740), (385, 122472), (392, 120285), (396, 119070), (405, 116424), (420, 112266), (440, 107163), (441, 106920), (462, 102060), (486, 97020), (490, 96228), (495, 95256), (504, 93555), (539, 87480), (540, 87318), (567, 83160), (588, 80190), (594, 79380), (616, 76545), (630, 74844), (648, 72765), (660, 71442), (693, 68040), (729, 64680), (735, 64152), (756, 62370), (770, 61236), (792, 59535), (810, 58212), (840, 56133), (882, 53460), (891, 52920), (924, 51030), (945, 49896), (972, 48510), (980, 48114), (990, 47628), (1078, 43740), (1080, 43659), (1134, 41580), (1155, 40824), (1176, 40095), (1188, 39690), (1215, 38808), (1260, 37422), (1320, 35721), (1323, 35640), (1386, 34020), (1458, 32340), (1470, 32076), (1485, 31752), (1512, 31185), (1540, 30618), (1617, 29160), (1620, 29106), (1701, 27720), (1764, 26730), (1782, 26460), (1848, 25515), (1890, 24948), (1944, 24255), (1960, 24057), (1980, 23814), (2079, 22680), (2156, 21870), (2187, 21560), (2205, 21384), (2268, 20790), (2310, 20412), (2376, 19845), (2430, 19404), (2520, 18711), (2646, 17820), (2673, 17640), (2695, 17496), (2772, 17010), (2835, 16632), (2916, 16170), (2940, 16038), (2970, 15876), (3080, 15309), (3234, 14580), (3240, 14553), (3402, 13860), (3465, 13608), (3528, 13365), (3564, 13230), (3645, 12936), (3780, 12474), (3960, 11907), (3969, 11880), (4158, 11340), (4312, 10935), (4374, 10780), (4410, 10692), (4455, 10584), (4536, 10395), (4620, 10206), (4851, 9720), (4860, 9702), (5103, 9240), (5292, 8910), (5346, 8820), (5390, 8748), (5544, 8505), (5670, 8316), (5832, 8085), (5880, 8019), (5940, 7938), (6237, 7560), (6468, 7290), (6615, 7128), (6804, 6930)]