81643560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29581}}^1$

素因数の和:29618

約数の個数: 64

約数和(自身を含む): 255588480

約数和(自身を除く): 173944920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29581, 59162, 88743, 118324, 147905, 177486, 236648, 295810, 354972, 443715, 591620, 680363, 709944, 887430, 1183240, 1360726, 1774860, 2041089, 2721452, 3401815, 3549720, 4082178, 5442904, 6803630, 8164356, 10205445, 13607260, 16328712, 20410890, 27214520, 40821780, 81643560]

約数ペア:

[(1, 81643560), (2, 40821780), (3, 27214520), (4, 20410890), (5, 16328712), (6, 13607260), (8, 10205445), (10, 8164356), (12, 6803630), (15, 5442904), (20, 4082178), (23, 3549720), (24, 3401815), (30, 2721452), (40, 2041089), (46, 1774860), (60, 1360726), (69, 1183240), (92, 887430), (115, 709944), (120, 680363), (138, 591620), (184, 443715), (230, 354972), (276, 295810), (345, 236648), (460, 177486), (552, 147905), (690, 118324), (920, 88743), (1380, 59162), (2760, 29581)]