259777280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 722104320

約数和(自身を除く): 462327040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 367, 395, 448, 553, 560, 632, 640, 734, 790, 896, 1106, 1120, 1264, 1280, 1468, 1580, 1792, 1835, 2212, 2240, 2528, 2569, 2765, 2936, 3160, 3670, 4424, 4480, 5056, 5138, 5530, 5872, 6320, 7340, 8848, 8960, 10112, 10276, 11060, 11744, 12640, 12845, 14680, 17696, 20224, 20552, 22120, 23488, 25280, 25690, 28993, 29360, 35392, 41104, 44240, 46976, 50560, 51380, 57986, 58720, 70784, 82208, 88480, 93952, 101120, 102760, 115972, 117440, 141568, 144965, 164416, 176960, 202951, 205520, 231944, 234880, 289930, 328832, 353920, 405902, 411040, 463888, 469760, 579860, 657664, 707840, 811804, 822080, 927776, 1014755, 1159720, 1623608, 1644160, 1855552, 2029510, 2319440, 3247216, 3288320, 3711104, 4059020, 4638880, 6494432, 7422208, 8118040, 9277760, 12988864, 16236080, 18555520, 25977728, 32472160, 37111040, 51955456, 64944320, 129888640, 259777280]

約数ペア:

[(1, 259777280), (2, 129888640), (4, 64944320), (5, 51955456), (7, 37111040), (8, 32472160), (10, 25977728), (14, 18555520), (16, 16236080), (20, 12988864), (28, 9277760), (32, 8118040), (35, 7422208), (40, 6494432), (56, 4638880), (64, 4059020), (70, 3711104), (79, 3288320), (80, 3247216), (112, 2319440), (128, 2029510), (140, 1855552), (158, 1644160), (160, 1623608), (224, 1159720), (256, 1014755), (280, 927776), (316, 822080), (320, 811804), (367, 707840), (395, 657664), (448, 579860), (553, 469760), (560, 463888), (632, 411040), (640, 405902), (734, 353920), (790, 328832), (896, 289930), (1106, 234880), (1120, 231944), (1264, 205520), (1280, 202951), (1468, 176960), (1580, 164416), (1792, 144965), (1835, 141568), (2212, 117440), (2240, 115972), (2528, 102760), (2569, 101120), (2765, 93952), (2936, 88480), (3160, 82208), (3670, 70784), (4424, 58720), (4480, 57986), (5056, 51380), (5138, 50560), (5530, 46976), (5872, 44240), (6320, 41104), (7340, 35392), (8848, 29360), (8960, 28993), (10112, 25690), (10276, 25280), (11060, 23488), (11744, 22120), (12640, 20552), (12845, 20224), (14680, 17696)]