287232120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:907

約数の個数: 288

約数和(自身を含む): 1144400400

約数和(自身を除く): 857168280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 49, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 98, 105, 114, 120, 126, 133, 140, 147, 152, 168, 171, 180, 190, 196, 210, 228, 245, 252, 266, 280, 285, 294, 315, 342, 360, 380, 392, 399, 420, 441, 456, 490, 504, 532, 570, 588, 630, 665, 684, 735, 760, 798, 840, 855, 857, 882, 931, 980, 1064, 1140, 1176, 1197, 1260, 1330, 1368, 1470, 1596, 1710, 1714, 1764, 1862, 1960, 1995, 2205, 2280, 2394, 2520, 2571, 2660, 2793, 2940, 3192, 3420, 3428, 3528, 3724, 3990, 4285, 4410, 4655, 4788, 5142, 5320, 5586, 5880, 5985, 5999, 6840, 6856, 7448, 7713, 7980, 8379, 8570, 8820, 9310, 9576, 10284, 11172, 11970, 11998, 12855, 13965, 15426, 15960, 16283, 16758, 17140, 17640, 17997, 18620, 20568, 22344, 23940, 23996, 25710, 27930, 29995, 30852, 32566, 33516, 34280, 35994, 37240, 38565, 41895, 41993, 47880, 47992, 48849, 51420, 53991, 55860, 59990, 61704, 65132, 67032, 71988, 77130, 81415, 83790, 83986, 89985, 97698, 102840, 107982, 111720, 113981, 119980, 125979, 130264, 143976, 146547, 154260, 162830, 167580, 167972, 179970, 195396, 209965, 215964, 227962, 239960, 244245, 251958, 269955, 293094, 308520, 325660, 335160, 335944, 341943, 359940, 377937, 390792, 419930, 431928, 455924, 488490, 503916, 539910, 569905, 586188, 629895, 651320, 683886, 719880, 732735, 755874, 797867, 839860, 911848, 976980, 1007832, 1025829, 1079820, 1139810, 1172376, 1259790, 1367772, 1465470, 1511748, 1595734, 1679720, 1709715, 1889685, 1953960, 2051658, 2159640, 2279620, 2393601, 2519580, 2735544, 2930940, 3023496, 3191468, 3419430, 3779370, 3989335, 4103316, 4559240, 4787202, 5039160, 5129145, 5861880, 6382936, 6838860, 7180803, 7558740, 7978670, 8206632, 9574404, 10258290, 11968005, 13677720, 14361606, 15117480, 15957340, 19148808, 20516580, 23936010, 28723212, 31914680, 35904015, 41033160, 47872020, 57446424, 71808030, 95744040, 143616060, 287232120]

約数ペア:

[(1, 287232120), (2, 143616060), (3, 95744040), (4, 71808030), (5, 57446424), (6, 47872020), (7, 41033160), (8, 35904015), (9, 31914680), (10, 28723212), (12, 23936010), (14, 20516580), (15, 19148808), (18, 15957340), (19, 15117480), (20, 14361606), (21, 13677720), (24, 11968005), (28, 10258290), (30, 9574404), (35, 8206632), (36, 7978670), (38, 7558740), (40, 7180803), (42, 6838860), (45, 6382936), (49, 5861880), (56, 5129145), (57, 5039160), (60, 4787202), (63, 4559240), (70, 4103316), (72, 3989335), (76, 3779370), (84, 3419430), (90, 3191468), (95, 3023496), (98, 2930940), (105, 2735544), (114, 2519580), (120, 2393601), (126, 2279620), (133, 2159640), (140, 2051658), (147, 1953960), (152, 1889685), (168, 1709715), (171, 1679720), (180, 1595734), (190, 1511748), (196, 1465470), (210, 1367772), (228, 1259790), (245, 1172376), (252, 1139810), (266, 1079820), (280, 1025829), (285, 1007832), (294, 976980), (315, 911848), (342, 839860), (360, 797867), (380, 755874), (392, 732735), (399, 719880), (420, 683886), (441, 651320), (456, 629895), (490, 586188), (504, 569905), (532, 539910), (570, 503916), (588, 488490), (630, 455924), (665, 431928), (684, 419930), (735, 390792), (760, 377937), (798, 359940), (840, 341943), (855, 335944), (857, 335160), (882, 325660), (931, 308520), (980, 293094), (1064, 269955), (1140, 251958), (1176, 244245), (1197, 239960), (1260, 227962), (1330, 215964), (1368, 209965), (1470, 195396), (1596, 179970), (1710, 167972), (1714, 167580), (1764, 162830), (1862, 154260), (1960, 146547), (1995, 143976), (2205, 130264), (2280, 125979), (2394, 119980), (2520, 113981), (2571, 111720), (2660, 107982), (2793, 102840), (2940, 97698), (3192, 89985), (3420, 83986), (3428, 83790), (3528, 81415), (3724, 77130), (3990, 71988), (4285, 67032), (4410, 65132), (4655, 61704), (4788, 59990), (5142, 55860), (5320, 53991), (5586, 51420), (5880, 48849), (5985, 47992), (5999, 47880), (6840, 41993), (6856, 41895), (7448, 38565), (7713, 37240), (7980, 35994), (8379, 34280), (8570, 33516), (8820, 32566), (9310, 30852), (9576, 29995), (10284, 27930), (11172, 25710), (11970, 23996), (11998, 23940), (12855, 22344), (13965, 20568), (15426, 18620), (15960, 17997), (16283, 17640), (16758, 17140)]