123478740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 288

約数和(自身を含む): 478033920

約数和(自身を除く): 354555180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 59, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 118, 126, 132, 140, 151, 154, 165, 177, 180, 198, 210, 220, 231, 236, 252, 295, 302, 308, 315, 330, 354, 385, 396, 413, 420, 453, 462, 495, 531, 590, 604, 630, 649, 660, 693, 708, 755, 770, 826, 885, 906, 924, 990, 1057, 1062, 1155, 1180, 1239, 1260, 1298, 1359, 1386, 1510, 1540, 1652, 1661, 1770, 1812, 1947, 1980, 2065, 2114, 2124, 2265, 2310, 2478, 2596, 2655, 2718, 2772, 3020, 3171, 3245, 3322, 3465, 3540, 3717, 3894, 4130, 4228, 4530, 4543, 4620, 4956, 4983, 5285, 5310, 5436, 5841, 6195, 6342, 6490, 6644, 6795, 6930, 7434, 7788, 8260, 8305, 8909, 9060, 9086, 9513, 9735, 9966, 10570, 10620, 11627, 11682, 12390, 12684, 12980, 13590, 13629, 13860, 14868, 14949, 15855, 16610, 17818, 18172, 18585, 19026, 19470, 19932, 21140, 22715, 23254, 23364, 24780, 24915, 26727, 27180, 27258, 29205, 29898, 31710, 33220, 34881, 35636, 37170, 38052, 38940, 40887, 44545, 45430, 46508, 47565, 49830, 53454, 54516, 58135, 58410, 59796, 62363, 63420, 68145, 69762, 74340, 74745, 80181, 81774, 89090, 90860, 95130, 97999, 99660, 104643, 106908, 116270, 116820, 124726, 133635, 136290, 139524, 149490, 160362, 163548, 174405, 178180, 187089, 190260, 195998, 204435, 209286, 232540, 249452, 267270, 272580, 293997, 298980, 311815, 320724, 348810, 374178, 391996, 400905, 408870, 418572, 489995, 523215, 534540, 561267, 587994, 623630, 685993, 697620, 748356, 801810, 817740, 881991, 935445, 979990, 1046430, 1122534, 1175988, 1247260, 1371986, 1469985, 1603620, 1763982, 1870890, 1959980, 2057979, 2092860, 2245068, 2743972, 2806335, 2939970, 3429965, 3527964, 3741780, 4115958, 4409955, 5612670, 5879940, 6173937, 6859930, 8231916, 8819910, 10289895, 11225340, 12347874, 13719860, 17639820, 20579790, 24695748, 30869685, 41159580, 61739370, 123478740]

約数ペア:

[(1, 123478740), (2, 61739370), (3, 41159580), (4, 30869685), (5, 24695748), (6, 20579790), (7, 17639820), (9, 13719860), (10, 12347874), (11, 11225340), (12, 10289895), (14, 8819910), (15, 8231916), (18, 6859930), (20, 6173937), (21, 5879940), (22, 5612670), (28, 4409955), (30, 4115958), (33, 3741780), (35, 3527964), (36, 3429965), (42, 2939970), (44, 2806335), (45, 2743972), (55, 2245068), (59, 2092860), (60, 2057979), (63, 1959980), (66, 1870890), (70, 1763982), (77, 1603620), (84, 1469985), (90, 1371986), (99, 1247260), (105, 1175988), (110, 1122534), (118, 1046430), (126, 979990), (132, 935445), (140, 881991), (151, 817740), (154, 801810), (165, 748356), (177, 697620), (180, 685993), (198, 623630), (210, 587994), (220, 561267), (231, 534540), (236, 523215), (252, 489995), (295, 418572), (302, 408870), (308, 400905), (315, 391996), (330, 374178), (354, 348810), (385, 320724), (396, 311815), (413, 298980), (420, 293997), (453, 272580), (462, 267270), (495, 249452), (531, 232540), (590, 209286), (604, 204435), (630, 195998), (649, 190260), (660, 187089), (693, 178180), (708, 174405), (755, 163548), (770, 160362), (826, 149490), (885, 139524), (906, 136290), (924, 133635), (990, 124726), (1057, 116820), (1062, 116270), (1155, 106908), (1180, 104643), (1239, 99660), (1260, 97999), (1298, 95130), (1359, 90860), (1386, 89090), (1510, 81774), (1540, 80181), (1652, 74745), (1661, 74340), (1770, 69762), (1812, 68145), (1947, 63420), (1980, 62363), (2065, 59796), (2114, 58410), (2124, 58135), (2265, 54516), (2310, 53454), (2478, 49830), (2596, 47565), (2655, 46508), (2718, 45430), (2772, 44545), (3020, 40887), (3171, 38940), (3245, 38052), (3322, 37170), (3465, 35636), (3540, 34881), (3717, 33220), (3894, 31710), (4130, 29898), (4228, 29205), (4530, 27258), (4543, 27180), (4620, 26727), (4956, 24915), (4983, 24780), (5285, 23364), (5310, 23254), (5436, 22715), (5841, 21140), (6195, 19932), (6342, 19470), (6490, 19026), (6644, 18585), (6795, 18172), (6930, 17818), (7434, 16610), (7788, 15855), (8260, 14949), (8305, 14868), (8909, 13860), (9060, 13629), (9086, 13590), (9513, 12980), (9735, 12684), (9966, 12390), (10570, 11682), (10620, 11627)]