129888640

素因数分解:

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

素因数の和:472

約数の個数: 128

約数和(自身を含む): 360345600

約数和(自身を除く): 230456960

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, 280, 316, 320, 367, 395, 448, 553, 560, 632, 640, 734, 790, 896, 1106, 1120, 1264, 1468, 1580, 1835, 2212, 2240, 2528, 2569, 2765, 2936, 3160, 3670, 4424, 4480, 5056, 5138, 5530, 5872, 6320, 7340, 8848, 10112, 10276, 11060, 11744, 12640, 12845, 14680, 17696, 20552, 22120, 23488, 25280, 25690, 28993, 29360, 35392, 41104, 44240, 46976, 50560, 51380, 57986, 58720, 70784, 82208, 88480, 102760, 115972, 117440, 144965, 164416, 176960, 202951, 205520, 231944, 234880, 289930, 328832, 353920, 405902, 411040, 463888, 579860, 811804, 822080, 927776, 1014755, 1159720, 1623608, 1644160, 1855552, 2029510, 2319440, 3247216, 3711104, 4059020, 4638880, 6494432, 8118040, 9277760, 12988864, 16236080, 18555520, 25977728, 32472160, 64944320, 129888640]

約数ペア:

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