69655360

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2123

約数の個数: 56

約数和(自身を含む): 167472360

約数和(自身を除く): 97817000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 1997, 2180, 3488, 3994, 4360, 6976, 7988, 8720, 9985, 15976, 17440, 19970, 31952, 34880, 39940, 63904, 79880, 127808, 159760, 217673, 319520, 435346, 639040, 870692, 1088365, 1741384, 2176730, 3482768, 4353460, 6965536, 8706920, 13931072, 17413840, 34827680, 69655360]

約数ペア:

[(1, 69655360), (2, 34827680), (4, 17413840), (5, 13931072), (8, 8706920), (10, 6965536), (16, 4353460), (20, 3482768), (32, 2176730), (40, 1741384), (64, 1088365), (80, 870692), (109, 639040), (160, 435346), (218, 319520), (320, 217673), (436, 159760), (545, 127808), (872, 79880), (1090, 63904), (1744, 39940), (1997, 34880), (2180, 31952), (3488, 19970), (3994, 17440), (4360, 15976), (6976, 9985), (7988, 8720)]