17681940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4271}}^1$

素因数の和:4309

約数の個数: 72

約数和(自身を含む): 55980288

約数和(自身を除く): 38298348

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, 4271, 8542, 12813, 17084, 21355, 25626, 38439, 42710, 51252, 64065, 76878, 85420, 98233, 128130, 153756, 192195, 196466, 256260, 294699, 384390, 392932, 491165, 589398, 768780, 884097, 982330, 1178796, 1473495, 1768194, 1964660, 2946990, 3536388, 4420485, 5893980, 8840970, 17681940]

約数ペア:

[(1, 17681940), (2, 8840970), (3, 5893980), (4, 4420485), (5, 3536388), (6, 2946990), (9, 1964660), (10, 1768194), (12, 1473495), (15, 1178796), (18, 982330), (20, 884097), (23, 768780), (30, 589398), (36, 491165), (45, 392932), (46, 384390), (60, 294699), (69, 256260), (90, 196466), (92, 192195), (115, 153756), (138, 128130), (180, 98233), (207, 85420), (230, 76878), (276, 64065), (345, 51252), (414, 42710), (460, 38439), (690, 25626), (828, 21355), (1035, 17084), (1380, 12813), (2070, 8542), (4140, 4271)]