68214780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16477}}^1$

素因数の和:16515

約数の個数: 72

約数和(自身を含む): 215927712

約数和(自身を除く): 147712932

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, 16477, 32954, 49431, 65908, 82385, 98862, 148293, 164770, 197724, 247155, 296586, 329540, 378971, 494310, 593172, 741465, 757942, 988620, 1136913, 1482930, 1515884, 1894855, 2273826, 2965860, 3410739, 3789710, 4547652, 5684565, 6821478, 7579420, 11369130, 13642956, 17053695, 22738260, 34107390, 68214780]

約数ペア:

[(1, 68214780), (2, 34107390), (3, 22738260), (4, 17053695), (5, 13642956), (6, 11369130), (9, 7579420), (10, 6821478), (12, 5684565), (15, 4547652), (18, 3789710), (20, 3410739), (23, 2965860), (30, 2273826), (36, 1894855), (45, 1515884), (46, 1482930), (60, 1136913), (69, 988620), (90, 757942), (92, 741465), (115, 593172), (138, 494310), (180, 378971), (207, 329540), (230, 296586), (276, 247155), (345, 197724), (414, 164770), (460, 148293), (690, 98862), (828, 82385), (1035, 65908), (1380, 49431), (2070, 32954), (4140, 16477)]