280790640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:392

約数の個数: 240

約数和(自身を含む): 1027746720

約数和(自身を除く): 746956080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 131, 144, 156, 180, 195, 208, 229, 234, 240, 260, 262, 312, 360, 390, 393, 458, 468, 520, 524, 585, 624, 655, 687, 720, 780, 786, 916, 936, 1040, 1048, 1145, 1170, 1179, 1310, 1374, 1560, 1572, 1703, 1832, 1872, 1965, 2061, 2096, 2290, 2340, 2358, 2620, 2748, 2977, 3120, 3144, 3406, 3435, 3664, 3930, 4122, 4580, 4680, 4716, 5109, 5240, 5496, 5895, 5954, 6288, 6812, 6870, 7860, 8244, 8515, 8931, 9160, 9360, 9432, 10218, 10305, 10480, 10992, 11790, 11908, 13624, 13740, 14885, 15327, 15720, 16488, 17030, 17862, 18320, 18864, 20436, 20610, 23580, 23816, 25545, 26793, 27248, 27480, 29770, 29999, 30654, 31440, 32976, 34060, 35724, 40872, 41220, 44655, 47160, 47632, 51090, 53586, 54960, 59540, 59998, 61308, 68120, 71448, 76635, 81744, 82440, 89310, 89997, 94320, 102180, 107172, 119080, 119996, 122616, 133965, 136240, 142896, 149995, 153270, 164880, 178620, 179994, 204360, 214344, 238160, 239992, 245232, 267930, 269991, 299990, 306540, 357240, 359988, 389987, 408720, 428688, 449985, 479984, 535860, 539982, 599980, 613080, 714480, 719976, 779974, 899970, 1071720, 1079964, 1169961, 1199960, 1226160, 1349955, 1439952, 1559948, 1799940, 1949935, 2143440, 2159928, 2339922, 2399920, 2699910, 3119896, 3509883, 3599880, 3899870, 4319856, 4679844, 5399820, 5849805, 6239792, 7019766, 7199760, 7799740, 9359688, 10799640, 11699610, 14039532, 15599480, 17549415, 18719376, 21599280, 23399220, 28079064, 31198960, 35098830, 46798440, 56158128, 70197660, 93596880, 140395320, 280790640]

約数ペア:

[(1, 280790640), (2, 140395320), (3, 93596880), (4, 70197660), (5, 56158128), (6, 46798440), (8, 35098830), (9, 31198960), (10, 28079064), (12, 23399220), (13, 21599280), (15, 18719376), (16, 17549415), (18, 15599480), (20, 14039532), (24, 11699610), (26, 10799640), (30, 9359688), (36, 7799740), (39, 7199760), (40, 7019766), (45, 6239792), (48, 5849805), (52, 5399820), (60, 4679844), (65, 4319856), (72, 3899870), (78, 3599880), (80, 3509883), (90, 3119896), (104, 2699910), (117, 2399920), (120, 2339922), (130, 2159928), (131, 2143440), (144, 1949935), (156, 1799940), (180, 1559948), (195, 1439952), (208, 1349955), (229, 1226160), (234, 1199960), (240, 1169961), (260, 1079964), (262, 1071720), (312, 899970), (360, 779974), (390, 719976), (393, 714480), (458, 613080), (468, 599980), (520, 539982), (524, 535860), (585, 479984), (624, 449985), (655, 428688), (687, 408720), (720, 389987), (780, 359988), (786, 357240), (916, 306540), (936, 299990), (1040, 269991), (1048, 267930), (1145, 245232), (1170, 239992), (1179, 238160), (1310, 214344), (1374, 204360), (1560, 179994), (1572, 178620), (1703, 164880), (1832, 153270), (1872, 149995), (1965, 142896), (2061, 136240), (2096, 133965), (2290, 122616), (2340, 119996), (2358, 119080), (2620, 107172), (2748, 102180), (2977, 94320), (3120, 89997), (3144, 89310), (3406, 82440), (3435, 81744), (3664, 76635), (3930, 71448), (4122, 68120), (4580, 61308), (4680, 59998), (4716, 59540), (5109, 54960), (5240, 53586), (5496, 51090), (5895, 47632), (5954, 47160), (6288, 44655), (6812, 41220), (6870, 40872), (7860, 35724), (8244, 34060), (8515, 32976), (8931, 31440), (9160, 30654), (9360, 29999), (9432, 29770), (10218, 27480), (10305, 27248), (10480, 26793), (10992, 25545), (11790, 23816), (11908, 23580), (13624, 20610), (13740, 20436), (14885, 18864), (15327, 18320), (15720, 17862), (16488, 17030)]