2181257520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 320

約数和(自身を含む): 7550600064

約数和(自身を除く): 5369342544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 73, 78, 80, 104, 120, 122, 130, 146, 156, 157, 183, 195, 208, 219, 240, 244, 260, 292, 305, 312, 314, 365, 366, 390, 438, 471, 488, 520, 584, 610, 624, 628, 730, 732, 780, 785, 793, 876, 915, 942, 949, 976, 1040, 1095, 1168, 1220, 1256, 1460, 1464, 1560, 1570, 1586, 1752, 1830, 1884, 1898, 2041, 2190, 2355, 2379, 2440, 2512, 2847, 2920, 2928, 3120, 3140, 3172, 3504, 3660, 3768, 3796, 3965, 4082, 4380, 4453, 4710, 4745, 4758, 4880, 5694, 5840, 6123, 6280, 6344, 7320, 7536, 7592, 7930, 8164, 8760, 8906, 9420, 9490, 9516, 9577, 10205, 11388, 11461, 11895, 12246, 12560, 12688, 13359, 14235, 14640, 15184, 15860, 16328, 17520, 17812, 18840, 18980, 19032, 19154, 20410, 22265, 22776, 22922, 23790, 24492, 26718, 28470, 28731, 30615, 31720, 32656, 34383, 35624, 37680, 37960, 38064, 38308, 40820, 44530, 45552, 45844, 47580, 47885, 48984, 53436, 56940, 57305, 57462, 57889, 61230, 63440, 66795, 68766, 71248, 75920, 76616, 81640, 89060, 91688, 95160, 95770, 97968, 106872, 113880, 114610, 114924, 115778, 122460, 124501, 133590, 137532, 143655, 148993, 153232, 163280, 171915, 173667, 178120, 183376, 190320, 191540, 213744, 227760, 229220, 229848, 231556, 244920, 249002, 267180, 275064, 287310, 289445, 297986, 343830, 347334, 356240, 373503, 383080, 446979, 458440, 459696, 463112, 489840, 498004, 534360, 550128, 574620, 578890, 595972, 622505, 687660, 694668, 699121, 744965, 747006, 766160, 868335, 893958, 916880, 926224, 996008, 1068720, 1149240, 1157780, 1191944, 1245010, 1375320, 1389336, 1398242, 1489930, 1494012, 1736670, 1787916, 1867515, 1992016, 2097363, 2234895, 2298480, 2315560, 2383888, 2490020, 2750640, 2778672, 2796484, 2979860, 2988024, 3473340, 3495605, 3575832, 3735030, 4194726, 4469790, 4631120, 4980040, 5592968, 5959720, 5976048, 6946680, 6991210, 7151664, 7470060, 8389452, 8939580, 9088573, 9960080, 10486815, 11185936, 11919440, 13893360, 13982420, 14940120, 16778904, 17879160, 18177146, 20973630, 27265719, 27964840, 29880240, 33557808, 35758320, 36354292, 41947260, 45442865, 54531438, 55929680, 72708584, 83894520, 90885730, 109062876, 136328595, 145417168, 167789040, 181771460, 218125752, 272657190, 363542920, 436251504, 545314380, 727085840, 1090628760, 2181257520]

約数ペア:

[(1, 2181257520), (2, 1090628760), (3, 727085840), (4, 545314380), (5, 436251504), (6, 363542920), (8, 272657190), (10, 218125752), (12, 181771460), (13, 167789040), (15, 145417168), (16, 136328595), (20, 109062876), (24, 90885730), (26, 83894520), (30, 72708584), (39, 55929680), (40, 54531438), (48, 45442865), (52, 41947260), (60, 36354292), (61, 35758320), (65, 33557808), (73, 29880240), (78, 27964840), (80, 27265719), (104, 20973630), (120, 18177146), (122, 17879160), (130, 16778904), (146, 14940120), (156, 13982420), (157, 13893360), (183, 11919440), (195, 11185936), (208, 10486815), (219, 9960080), (240, 9088573), (244, 8939580), (260, 8389452), (292, 7470060), (305, 7151664), (312, 6991210), (314, 6946680), (365, 5976048), (366, 5959720), (390, 5592968), (438, 4980040), (471, 4631120), (488, 4469790), (520, 4194726), (584, 3735030), (610, 3575832), (624, 3495605), (628, 3473340), (730, 2988024), (732, 2979860), (780, 2796484), (785, 2778672), (793, 2750640), (876, 2490020), (915, 2383888), (942, 2315560), (949, 2298480), (976, 2234895), (1040, 2097363), (1095, 1992016), (1168, 1867515), (1220, 1787916), (1256, 1736670), (1460, 1494012), (1464, 1489930), (1560, 1398242), (1570, 1389336), (1586, 1375320), (1752, 1245010), (1830, 1191944), (1884, 1157780), (1898, 1149240), (2041, 1068720), (2190, 996008), (2355, 926224), (2379, 916880), (2440, 893958), (2512, 868335), (2847, 766160), (2920, 747006), (2928, 744965), (3120, 699121), (3140, 694668), (3172, 687660), (3504, 622505), (3660, 595972), (3768, 578890), (3796, 574620), (3965, 550128), (4082, 534360), (4380, 498004), (4453, 489840), (4710, 463112), (4745, 459696), (4758, 458440), (4880, 446979), (5694, 383080), (5840, 373503), (6123, 356240), (6280, 347334), (6344, 343830), (7320, 297986), (7536, 289445), (7592, 287310), (7930, 275064), (8164, 267180), (8760, 249002), (8906, 244920), (9420, 231556), (9490, 229848), (9516, 229220), (9577, 227760), (10205, 213744), (11388, 191540), (11461, 190320), (11895, 183376), (12246, 178120), (12560, 173667), (12688, 171915), (13359, 163280), (14235, 153232), (14640, 148993), (15184, 143655), (15860, 137532), (16328, 133590), (17520, 124501), (17812, 122460), (18840, 115778), (18980, 114924), (19032, 114610), (19154, 113880), (20410, 106872), (22265, 97968), (22776, 95770), (22922, 95160), (23790, 91688), (24492, 89060), (26718, 81640), (28470, 76616), (28731, 75920), (30615, 71248), (31720, 68766), (32656, 66795), (34383, 63440), (35624, 61230), (37680, 57889), (37960, 57462), (38064, 57305), (38308, 56940), (40820, 53436), (44530, 48984), (45552, 47885), (45844, 47580)]