261693540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{63211}}^1$

素因数の和:63249

約数の個数: 72

約数和(自身を含む): 828330048

約数和(自身を除く): 566636508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 63211, 126422, 189633, 252844, 316055, 379266, 568899, 632110, 758532, 948165, 1137798, 1264220, 1453853, 1896330, 2275596, 2844495, 2907706, 3792660, 4361559, 5688990, 5815412, 7269265, 8723118, 11377980, 13084677, 14538530, 17446236, 21807795, 26169354, 29077060, 43615590, 52338708, 65423385, 87231180, 130846770, 261693540]

約数ペア:

[(1, 261693540), (2, 130846770), (3, 87231180), (4, 65423385), (5, 52338708), (6, 43615590), (9, 29077060), (10, 26169354), (12, 21807795), (15, 17446236), (18, 14538530), (20, 13084677), (23, 11377980), (30, 8723118), (36, 7269265), (45, 5815412), (46, 5688990), (60, 4361559), (69, 3792660), (90, 2907706), (92, 2844495), (115, 2275596), (138, 1896330), (180, 1453853), (207, 1264220), (230, 1137798), (276, 948165), (345, 758532), (414, 632110), (460, 568899), (690, 379266), (828, 316055), (1035, 252844), (1380, 189633), (2070, 126422), (4140, 63211)]