71399520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:477

約数の個数: 144

約数和(自身を含む): 245896560

約数和(自身を除く): 174497040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 179, 180, 240, 277, 288, 358, 360, 480, 537, 554, 716, 720, 831, 895, 1074, 1108, 1385, 1432, 1440, 1611, 1662, 1790, 2148, 2216, 2493, 2685, 2770, 2864, 3222, 3324, 3580, 4155, 4296, 4432, 4986, 5370, 5540, 5728, 6444, 6648, 7160, 8055, 8310, 8592, 8864, 9972, 10740, 11080, 12465, 12888, 13296, 14320, 16110, 16620, 17184, 19944, 21480, 22160, 24930, 25776, 26592, 28640, 32220, 33240, 39888, 42960, 44320, 49583, 49860, 51552, 64440, 66480, 79776, 85920, 99166, 99720, 128880, 132960, 148749, 198332, 199440, 247915, 257760, 297498, 396664, 398880, 446247, 495830, 594996, 743745, 793328, 892494, 991660, 1189992, 1487490, 1586656, 1784988, 1983320, 2231235, 2379984, 2974980, 3569976, 3966640, 4462470, 4759968, 5949960, 7139952, 7933280, 8924940, 11899920, 14279904, 17849880, 23799840, 35699760, 71399520]

約数ペア:

[(1, 71399520), (2, 35699760), (3, 23799840), (4, 17849880), (5, 14279904), (6, 11899920), (8, 8924940), (9, 7933280), (10, 7139952), (12, 5949960), (15, 4759968), (16, 4462470), (18, 3966640), (20, 3569976), (24, 2974980), (30, 2379984), (32, 2231235), (36, 1983320), (40, 1784988), (45, 1586656), (48, 1487490), (60, 1189992), (72, 991660), (80, 892494), (90, 793328), (96, 743745), (120, 594996), (144, 495830), (160, 446247), (179, 398880), (180, 396664), (240, 297498), (277, 257760), (288, 247915), (358, 199440), (360, 198332), (480, 148749), (537, 132960), (554, 128880), (716, 99720), (720, 99166), (831, 85920), (895, 79776), (1074, 66480), (1108, 64440), (1385, 51552), (1432, 49860), (1440, 49583), (1611, 44320), (1662, 42960), (1790, 39888), (2148, 33240), (2216, 32220), (2493, 28640), (2685, 26592), (2770, 25776), (2864, 24930), (3222, 22160), (3324, 21480), (3580, 19944), (4155, 17184), (4296, 16620), (4432, 16110), (4986, 14320), (5370, 13296), (5540, 12888), (5728, 12465), (6444, 11080), (6648, 10740), (7160, 9972), (8055, 8864), (8310, 8592)]