140537880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 288

約数和(自身を含む): 550592640

約数和(自身を除く): 410054760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 49, 56, 60, 62, 63, 70, 72, 84, 90, 93, 98, 105, 120, 124, 126, 140, 147, 155, 168, 180, 186, 196, 210, 217, 245, 248, 252, 257, 279, 280, 294, 310, 315, 360, 372, 392, 420, 434, 441, 465, 490, 504, 514, 558, 588, 620, 630, 651, 735, 744, 771, 840, 868, 882, 930, 980, 1028, 1085, 1116, 1176, 1240, 1260, 1285, 1302, 1395, 1470, 1519, 1542, 1736, 1764, 1799, 1860, 1953, 1960, 2056, 2170, 2205, 2232, 2313, 2520, 2570, 2604, 2790, 2940, 3038, 3084, 3255, 3528, 3598, 3720, 3855, 3906, 4340, 4410, 4557, 4626, 5140, 5208, 5397, 5580, 5880, 6076, 6168, 6510, 7196, 7595, 7710, 7812, 7967, 8680, 8820, 8995, 9114, 9252, 9765, 10280, 10794, 11160, 11565, 12152, 12593, 13020, 13671, 14392, 15190, 15420, 15624, 15934, 16191, 17640, 17990, 18228, 18504, 19530, 21588, 22785, 23130, 23901, 25186, 26040, 26985, 27342, 30380, 30840, 31868, 32382, 35980, 36456, 37779, 39060, 39835, 43176, 45570, 46260, 47802, 50372, 53970, 54684, 55769, 60760, 62965, 63736, 64764, 68355, 71703, 71960, 75558, 78120, 79670, 80955, 91140, 92520, 95604, 100744, 107940, 109368, 111538, 113337, 119505, 125930, 129528, 136710, 143406, 151116, 159340, 161910, 167307, 182280, 188895, 191208, 215880, 223076, 226674, 239010, 251860, 273420, 278845, 286812, 302232, 318680, 323820, 334614, 358515, 377790, 390383, 446152, 453348, 478020, 501921, 503720, 546840, 557690, 566685, 573624, 647640, 669228, 717030, 755580, 780766, 836535, 906696, 956040, 1003842, 1115380, 1133370, 1171149, 1338456, 1434060, 1511160, 1561532, 1673070, 1951915, 2007684, 2230760, 2266740, 2342298, 2509605, 2868120, 3123064, 3346140, 3513447, 3903830, 4015368, 4533480, 4684596, 5019210, 5855745, 6692280, 7026894, 7807660, 9369192, 10038420, 11711490, 14053788, 15615320, 17567235, 20076840, 23422980, 28107576, 35134470, 46845960, 70268940, 140537880]

約数ペア:

[(1, 140537880), (2, 70268940), (3, 46845960), (4, 35134470), (5, 28107576), (6, 23422980), (7, 20076840), (8, 17567235), (9, 15615320), (10, 14053788), (12, 11711490), (14, 10038420), (15, 9369192), (18, 7807660), (20, 7026894), (21, 6692280), (24, 5855745), (28, 5019210), (30, 4684596), (31, 4533480), (35, 4015368), (36, 3903830), (40, 3513447), (42, 3346140), (45, 3123064), (49, 2868120), (56, 2509605), (60, 2342298), (62, 2266740), (63, 2230760), (70, 2007684), (72, 1951915), (84, 1673070), (90, 1561532), (93, 1511160), (98, 1434060), (105, 1338456), (120, 1171149), (124, 1133370), (126, 1115380), (140, 1003842), (147, 956040), (155, 906696), (168, 836535), (180, 780766), (186, 755580), (196, 717030), (210, 669228), (217, 647640), (245, 573624), (248, 566685), (252, 557690), (257, 546840), (279, 503720), (280, 501921), (294, 478020), (310, 453348), (315, 446152), (360, 390383), (372, 377790), (392, 358515), (420, 334614), (434, 323820), (441, 318680), (465, 302232), (490, 286812), (504, 278845), (514, 273420), (558, 251860), (588, 239010), (620, 226674), (630, 223076), (651, 215880), (735, 191208), (744, 188895), (771, 182280), (840, 167307), (868, 161910), (882, 159340), (930, 151116), (980, 143406), (1028, 136710), (1085, 129528), (1116, 125930), (1176, 119505), (1240, 113337), (1260, 111538), (1285, 109368), (1302, 107940), (1395, 100744), (1470, 95604), (1519, 92520), (1542, 91140), (1736, 80955), (1764, 79670), (1799, 78120), (1860, 75558), (1953, 71960), (1960, 71703), (2056, 68355), (2170, 64764), (2205, 63736), (2232, 62965), (2313, 60760), (2520, 55769), (2570, 54684), (2604, 53970), (2790, 50372), (2940, 47802), (3038, 46260), (3084, 45570), (3255, 43176), (3528, 39835), (3598, 39060), (3720, 37779), (3855, 36456), (3906, 35980), (4340, 32382), (4410, 31868), (4557, 30840), (4626, 30380), (5140, 27342), (5208, 26985), (5397, 26040), (5580, 25186), (5880, 23901), (6076, 23130), (6168, 22785), (6510, 21588), (7196, 19530), (7595, 18504), (7710, 18228), (7812, 17990), (7967, 17640), (8680, 16191), (8820, 15934), (8995, 15624), (9114, 15420), (9252, 15190), (9765, 14392), (10280, 13671), (10794, 13020), (11160, 12593), (11565, 12152)]