289289520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1060

約数の個数: 240

約数和(自身を含む): 1081097472

約数和(自身を除く): 791807952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 997, 1040, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1860, 1872, 1994, 2015, 2232, 2340, 2418, 2480, 2790, 2991, 3120, 3224, 3627, 3720, 3988, 4030, 4464, 4680, 4836, 4985, 5580, 5982, 6045, 6448, 7254, 7440, 7976, 8060, 8973, 9360, 9672, 9970, 11160, 11964, 12090, 12961, 14508, 14955, 15952, 16120, 17946, 18135, 19344, 19940, 22320, 23928, 24180, 25922, 29016, 29910, 30907, 32240, 35892, 36270, 38883, 39880, 44865, 47856, 48360, 51844, 58032, 59820, 61814, 64805, 71784, 72540, 77766, 79760, 89730, 92721, 96720, 103688, 116649, 119640, 123628, 129610, 143568, 145080, 154535, 155532, 179460, 185442, 194415, 207376, 233298, 239280, 247256, 259220, 278163, 290160, 309070, 311064, 358920, 370884, 388830, 401791, 463605, 466596, 494512, 518440, 556326, 583245, 618140, 622128, 717840, 741768, 777660, 803582, 927210, 933192, 1036880, 1112652, 1166490, 1205373, 1236280, 1390815, 1483536, 1555320, 1607164, 1854420, 1866384, 2008955, 2225304, 2332980, 2410746, 2472560, 2781630, 3110640, 3214328, 3616119, 3708840, 4017910, 4450608, 4665960, 4821492, 5563260, 6026865, 6428656, 7232238, 7417680, 8035820, 9331920, 9642984, 11126520, 12053730, 14464476, 16071640, 18080595, 19285968, 22253040, 24107460, 28928952, 32143280, 36161190, 48214920, 57857904, 72322380, 96429840, 144644760, 289289520]

約数ペア:

[(1, 289289520), (2, 144644760), (3, 96429840), (4, 72322380), (5, 57857904), (6, 48214920), (8, 36161190), (9, 32143280), (10, 28928952), (12, 24107460), (13, 22253040), (15, 19285968), (16, 18080595), (18, 16071640), (20, 14464476), (24, 12053730), (26, 11126520), (30, 9642984), (31, 9331920), (36, 8035820), (39, 7417680), (40, 7232238), (45, 6428656), (48, 6026865), (52, 5563260), (60, 4821492), (62, 4665960), (65, 4450608), (72, 4017910), (78, 3708840), (80, 3616119), (90, 3214328), (93, 3110640), (104, 2781630), (117, 2472560), (120, 2410746), (124, 2332980), (130, 2225304), (144, 2008955), (155, 1866384), (156, 1854420), (180, 1607164), (186, 1555320), (195, 1483536), (208, 1390815), (234, 1236280), (240, 1205373), (248, 1166490), (260, 1112652), (279, 1036880), (310, 933192), (312, 927210), (360, 803582), (372, 777660), (390, 741768), (403, 717840), (465, 622128), (468, 618140), (496, 583245), (520, 556326), (558, 518440), (585, 494512), (620, 466596), (624, 463605), (720, 401791), (744, 388830), (780, 370884), (806, 358920), (930, 311064), (936, 309070), (997, 290160), (1040, 278163), (1116, 259220), (1170, 247256), (1209, 239280), (1240, 233298), (1395, 207376), (1488, 194415), (1560, 185442), (1612, 179460), (1860, 155532), (1872, 154535), (1994, 145080), (2015, 143568), (2232, 129610), (2340, 123628), (2418, 119640), (2480, 116649), (2790, 103688), (2991, 96720), (3120, 92721), (3224, 89730), (3627, 79760), (3720, 77766), (3988, 72540), (4030, 71784), (4464, 64805), (4680, 61814), (4836, 59820), (4985, 58032), (5580, 51844), (5982, 48360), (6045, 47856), (6448, 44865), (7254, 39880), (7440, 38883), (7976, 36270), (8060, 35892), (8973, 32240), (9360, 30907), (9672, 29910), (9970, 29016), (11160, 25922), (11964, 24180), (12090, 23928), (12961, 22320), (14508, 19940), (14955, 19344), (15952, 18135), (16120, 17946)]