115328720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 290887632

約数和(自身を除く): 175558912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 173, 208, 260, 346, 520, 641, 692, 865, 1040, 1282, 1384, 1730, 2249, 2564, 2768, 3205, 3460, 4498, 5128, 6410, 6920, 8333, 8996, 10256, 11245, 12820, 13840, 16666, 17992, 22490, 25640, 33332, 35984, 41665, 44980, 51280, 66664, 83330, 89960, 110893, 133328, 166660, 179920, 221786, 333320, 443572, 554465, 666640, 887144, 1108930, 1441609, 1774288, 2217860, 2883218, 4435720, 5766436, 7208045, 8871440, 11532872, 14416090, 23065744, 28832180, 57664360, 115328720]

約数ペア:

[(1, 115328720), (2, 57664360), (4, 28832180), (5, 23065744), (8, 14416090), (10, 11532872), (13, 8871440), (16, 7208045), (20, 5766436), (26, 4435720), (40, 2883218), (52, 2217860), (65, 1774288), (80, 1441609), (104, 1108930), (130, 887144), (173, 666640), (208, 554465), (260, 443572), (346, 333320), (520, 221786), (641, 179920), (692, 166660), (865, 133328), (1040, 110893), (1282, 89960), (1384, 83330), (1730, 66664), (2249, 51280), (2564, 44980), (2768, 41665), (3205, 35984), (3460, 33332), (4498, 25640), (5128, 22490), (6410, 17992), (6920, 16666), (8333, 13840), (8996, 12820), (10256, 11245)]