157279960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 365021280

約数和(自身を除く): 207741320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 488, 584, 610, 730, 883, 1220, 1460, 1766, 2440, 2920, 3532, 4415, 4453, 7064, 8830, 8906, 17660, 17812, 22265, 35320, 35624, 44530, 53863, 64459, 89060, 107726, 128918, 178120, 215452, 257836, 269315, 322295, 430904, 515672, 538630, 644590, 1077260, 1289180, 2154520, 2578360, 3931999, 7863998, 15727996, 19659995, 31455992, 39319990, 78639980, 157279960]

約数ペア:

[(1, 157279960), (2, 78639980), (4, 39319990), (5, 31455992), (8, 19659995), (10, 15727996), (20, 7863998), (40, 3931999), (61, 2578360), (73, 2154520), (122, 1289180), (146, 1077260), (244, 644590), (292, 538630), (305, 515672), (365, 430904), (488, 322295), (584, 269315), (610, 257836), (730, 215452), (883, 178120), (1220, 128918), (1460, 107726), (1766, 89060), (2440, 64459), (2920, 53863), (3532, 44530), (4415, 35624), (4453, 35320), (7064, 22265), (8830, 17812), (8906, 17660)]