156471680

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2243}}^1$

素因数の和:2371

約数の個数: 64

約数和(自身を含む): 377665200

約数和(自身を除く): 221193520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 2180, 2243, 3488, 4360, 4486, 6976, 8720, 8972, 11215, 13952, 17440, 17944, 22430, 34880, 35888, 44860, 69760, 71776, 89720, 143552, 179440, 244487, 287104, 358880, 488974, 717760, 977948, 1222435, 1435520, 1955896, 2444870, 3911792, 4889740, 7823584, 9779480, 15647168, 19558960, 31294336, 39117920, 78235840, 156471680]

約数ペア:

[(1, 156471680), (2, 78235840), (4, 39117920), (5, 31294336), (8, 19558960), (10, 15647168), (16, 9779480), (20, 7823584), (32, 4889740), (40, 3911792), (64, 2444870), (80, 1955896), (109, 1435520), (128, 1222435), (160, 977948), (218, 717760), (320, 488974), (436, 358880), (545, 287104), (640, 244487), (872, 179440), (1090, 143552), (1744, 89720), (2180, 71776), (2243, 69760), (3488, 44860), (4360, 35888), (4486, 34880), (6976, 22430), (8720, 17944), (8972, 17440), (11215, 13952)]