88640720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9311}}^1$

素因数の和:9348

約数の個数: 80

約数和(自身を含む): 249412608

約数和(自身を除く): 160771888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9311, 9520, 18622, 37244, 46555, 65177, 74488, 93110, 130354, 148976, 158287, 186220, 260708, 316574, 325885, 372440, 521416, 633148, 651770, 744880, 791435, 1042832, 1108009, 1266296, 1303540, 1582870, 2216018, 2532592, 2607080, 3165740, 4432036, 5214160, 5540045, 6331480, 8864072, 11080090, 12662960, 17728144, 22160180, 44320360, 88640720]

約数ペア:

[(1, 88640720), (2, 44320360), (4, 22160180), (5, 17728144), (7, 12662960), (8, 11080090), (10, 8864072), (14, 6331480), (16, 5540045), (17, 5214160), (20, 4432036), (28, 3165740), (34, 2607080), (35, 2532592), (40, 2216018), (56, 1582870), (68, 1303540), (70, 1266296), (80, 1108009), (85, 1042832), (112, 791435), (119, 744880), (136, 651770), (140, 633148), (170, 521416), (238, 372440), (272, 325885), (280, 316574), (340, 260708), (476, 186220), (560, 158287), (595, 148976), (680, 130354), (952, 93110), (1190, 74488), (1360, 65177), (1904, 46555), (2380, 37244), (4760, 18622), (9311, 9520)]