81227808

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3169}}^1$

素因数の和:3274

約数の個数: 72

約数和(自身を含む): 233660700

約数和(自身を除く): 152432892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 2848, 3169, 3204, 4272, 6338, 6408, 8544, 9507, 12676, 12816, 19014, 25352, 25632, 28521, 38028, 50704, 57042, 76056, 101408, 114084, 152112, 228168, 282041, 304224, 456336, 564082, 846123, 912672, 1128164, 1692246, 2256328, 2538369, 3384492, 4512656, 5076738, 6768984, 9025312, 10153476, 13537968, 20306952, 27075936, 40613904, 81227808]

約数ペア:

[(1, 81227808), (2, 40613904), (3, 27075936), (4, 20306952), (6, 13537968), (8, 10153476), (9, 9025312), (12, 6768984), (16, 5076738), (18, 4512656), (24, 3384492), (32, 2538369), (36, 2256328), (48, 1692246), (72, 1128164), (89, 912672), (96, 846123), (144, 564082), (178, 456336), (267, 304224), (288, 282041), (356, 228168), (534, 152112), (712, 114084), (801, 101408), (1068, 76056), (1424, 57042), (1602, 50704), (2136, 38028), (2848, 28521), (3169, 25632), (3204, 25352), (4272, 19014), (6338, 12816), (6408, 12676), (8544, 9507)]