64856320

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2247

約数の個数: 72

約数和(自身を含む): 162179136

約数和(自身を除く): 97322816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2203, 2944, 3680, 4406, 5888, 7360, 8812, 11015, 14720, 17624, 22030, 29440, 35248, 44060, 50669, 70496, 88120, 101338, 140992, 176240, 202676, 253345, 281984, 352480, 405352, 506690, 563968, 704960, 810704, 1013380, 1409920, 1621408, 2026760, 2819840, 3242816, 4053520, 6485632, 8107040, 12971264, 16214080, 32428160, 64856320]

約数ペア:

[(1, 64856320), (2, 32428160), (4, 16214080), (5, 12971264), (8, 8107040), (10, 6485632), (16, 4053520), (20, 3242816), (23, 2819840), (32, 2026760), (40, 1621408), (46, 1409920), (64, 1013380), (80, 810704), (92, 704960), (115, 563968), (128, 506690), (160, 405352), (184, 352480), (230, 281984), (256, 253345), (320, 202676), (368, 176240), (460, 140992), (640, 101338), (736, 88120), (920, 70496), (1280, 50669), (1472, 44060), (1840, 35248), (2203, 29440), (2944, 22030), (3680, 17624), (4406, 14720), (5888, 11015), (7360, 8812)]