245723616

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 723891168

約数和(自身を除く): 478167552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 71, 72, 96, 122, 142, 144, 183, 197, 213, 244, 284, 288, 366, 394, 426, 488, 549, 568, 591, 639, 732, 788, 852, 976, 1098, 1136, 1182, 1278, 1464, 1576, 1704, 1773, 1952, 2196, 2272, 2364, 2556, 2928, 3152, 3408, 3546, 4331, 4392, 4728, 5112, 5856, 6304, 6816, 7092, 8662, 8784, 9456, 10224, 12017, 12993, 13987, 14184, 17324, 17568, 18912, 20448, 24034, 25986, 27974, 28368, 34648, 36051, 38979, 41961, 48068, 51972, 55948, 56736, 69296, 72102, 77958, 83922, 96136, 103944, 108153, 111896, 125883, 138592, 144204, 155916, 167844, 192272, 207888, 216306, 223792, 251766, 288408, 311832, 335688, 384544, 415776, 432612, 447584, 503532, 576816, 623664, 671376, 853207, 865224, 1007064, 1153632, 1247328, 1342752, 1706414, 1730448, 2014128, 2559621, 3412828, 3460896, 4028256, 5119242, 6825656, 7678863, 10238484, 13651312, 15357726, 20476968, 27302624, 30715452, 40953936, 61430904, 81907872, 122861808, 245723616]

約数ペア:

[(1, 245723616), (2, 122861808), (3, 81907872), (4, 61430904), (6, 40953936), (8, 30715452), (9, 27302624), (12, 20476968), (16, 15357726), (18, 13651312), (24, 10238484), (32, 7678863), (36, 6825656), (48, 5119242), (61, 4028256), (71, 3460896), (72, 3412828), (96, 2559621), (122, 2014128), (142, 1730448), (144, 1706414), (183, 1342752), (197, 1247328), (213, 1153632), (244, 1007064), (284, 865224), (288, 853207), (366, 671376), (394, 623664), (426, 576816), (488, 503532), (549, 447584), (568, 432612), (591, 415776), (639, 384544), (732, 335688), (788, 311832), (852, 288408), (976, 251766), (1098, 223792), (1136, 216306), (1182, 207888), (1278, 192272), (1464, 167844), (1576, 155916), (1704, 144204), (1773, 138592), (1952, 125883), (2196, 111896), (2272, 108153), (2364, 103944), (2556, 96136), (2928, 83922), (3152, 77958), (3408, 72102), (3546, 69296), (4331, 56736), (4392, 55948), (4728, 51972), (5112, 48068), (5856, 41961), (6304, 38979), (6816, 36051), (7092, 34648), (8662, 28368), (8784, 27974), (9456, 25986), (10224, 24034), (12017, 20448), (12993, 18912), (13987, 17568), (14184, 17324)]