637493920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 288

約数和(自身を含む): 1880879616

約数和(自身を除く): 1243385696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 43, 49, 56, 61, 62, 70, 80, 86, 98, 112, 122, 124, 140, 155, 160, 172, 196, 215, 217, 224, 244, 245, 248, 280, 301, 305, 310, 344, 392, 427, 430, 434, 488, 490, 496, 560, 602, 610, 620, 688, 784, 854, 860, 868, 976, 980, 992, 1085, 1120, 1204, 1220, 1240, 1333, 1376, 1505, 1519, 1568, 1708, 1720, 1736, 1891, 1952, 1960, 2107, 2135, 2170, 2408, 2440, 2480, 2623, 2666, 2989, 3010, 3038, 3416, 3440, 3472, 3782, 3920, 4214, 4270, 4340, 4816, 4880, 4960, 5246, 5332, 5978, 6020, 6076, 6665, 6832, 6880, 6944, 7564, 7595, 7840, 8428, 8540, 8680, 9331, 9455, 9632, 9760, 10492, 10535, 10664, 11956, 12040, 12152, 13115, 13237, 13330, 13664, 14945, 15128, 15190, 16856, 17080, 17360, 18361, 18662, 18910, 20984, 21070, 21328, 23912, 24080, 24304, 26230, 26474, 26660, 29890, 30256, 30380, 33712, 34160, 34720, 36722, 37324, 37820, 41968, 42140, 42656, 46655, 47824, 48160, 48608, 52460, 52948, 53320, 59780, 60512, 60760, 65317, 66185, 67424, 68320, 73444, 74648, 75640, 81313, 83936, 84280, 91805, 92659, 93310, 95648, 104920, 105896, 106640, 119560, 121520, 128527, 130634, 132370, 146888, 149296, 151280, 162626, 168560, 183610, 185318, 186620, 209840, 211792, 213280, 239120, 243040, 257054, 261268, 264740, 293776, 298592, 302560, 325252, 326585, 337120, 367220, 370636, 373240, 406565, 419680, 423584, 463295, 478240, 514108, 522536, 529480, 569191, 587552, 642635, 650504, 653170, 734440, 741272, 746480, 813130, 926590, 1028216, 1045072, 1058960, 1138382, 1285270, 1301008, 1306340, 1468880, 1482544, 1492960, 1626260, 1853180, 2056432, 2090144, 2117920, 2276764, 2570540, 2602016, 2612680, 2845955, 2937760, 2965088, 3252520, 3706360, 3984337, 4112864, 4553528, 5141080, 5225360, 5691910, 6505040, 7412720, 7968674, 9107056, 10282160, 10450720, 11383820, 13010080, 14825440, 15937348, 18214112, 19921685, 20564320, 22767640, 31874696, 39843370, 45535280, 63749392, 79686740, 91070560, 127498784, 159373480, 318746960, 637493920]

約数ペア:

[(1, 637493920), (2, 318746960), (4, 159373480), (5, 127498784), (7, 91070560), (8, 79686740), (10, 63749392), (14, 45535280), (16, 39843370), (20, 31874696), (28, 22767640), (31, 20564320), (32, 19921685), (35, 18214112), (40, 15937348), (43, 14825440), (49, 13010080), (56, 11383820), (61, 10450720), (62, 10282160), (70, 9107056), (80, 7968674), (86, 7412720), (98, 6505040), (112, 5691910), (122, 5225360), (124, 5141080), (140, 4553528), (155, 4112864), (160, 3984337), (172, 3706360), (196, 3252520), (215, 2965088), (217, 2937760), (224, 2845955), (244, 2612680), (245, 2602016), (248, 2570540), (280, 2276764), (301, 2117920), (305, 2090144), (310, 2056432), (344, 1853180), (392, 1626260), (427, 1492960), (430, 1482544), (434, 1468880), (488, 1306340), (490, 1301008), (496, 1285270), (560, 1138382), (602, 1058960), (610, 1045072), (620, 1028216), (688, 926590), (784, 813130), (854, 746480), (860, 741272), (868, 734440), (976, 653170), (980, 650504), (992, 642635), (1085, 587552), (1120, 569191), (1204, 529480), (1220, 522536), (1240, 514108), (1333, 478240), (1376, 463295), (1505, 423584), (1519, 419680), (1568, 406565), (1708, 373240), (1720, 370636), (1736, 367220), (1891, 337120), (1952, 326585), (1960, 325252), (2107, 302560), (2135, 298592), (2170, 293776), (2408, 264740), (2440, 261268), (2480, 257054), (2623, 243040), (2666, 239120), (2989, 213280), (3010, 211792), (3038, 209840), (3416, 186620), (3440, 185318), (3472, 183610), (3782, 168560), (3920, 162626), (4214, 151280), (4270, 149296), (4340, 146888), (4816, 132370), (4880, 130634), (4960, 128527), (5246, 121520), (5332, 119560), (5978, 106640), (6020, 105896), (6076, 104920), (6665, 95648), (6832, 93310), (6880, 92659), (6944, 91805), (7564, 84280), (7595, 83936), (7840, 81313), (8428, 75640), (8540, 74648), (8680, 73444), (9331, 68320), (9455, 67424), (9632, 66185), (9760, 65317), (10492, 60760), (10535, 60512), (10664, 59780), (11956, 53320), (12040, 52948), (12152, 52460), (13115, 48608), (13237, 48160), (13330, 47824), (13664, 46655), (14945, 42656), (15128, 42140), (15190, 41968), (16856, 37820), (17080, 37324), (17360, 36722), (18361, 34720), (18662, 34160), (18910, 33712), (20984, 30380), (21070, 30256), (21328, 29890), (23912, 26660), (24080, 26474), (24304, 26230)]