7895440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 21927168

約数和(自身を除く): 14031728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 613, 644, 805, 920, 1226, 1288, 1610, 1840, 2452, 2576, 3065, 3220, 4291, 4904, 6130, 6440, 8582, 9808, 12260, 12880, 14099, 17164, 21455, 24520, 28198, 34328, 42910, 49040, 56396, 68656, 70495, 85820, 98693, 112792, 140990, 171640, 197386, 225584, 281980, 343280, 394772, 493465, 563960, 789544, 986930, 1127920, 1579088, 1973860, 3947720, 7895440]

約数ペア:

[(1, 7895440), (2, 3947720), (4, 1973860), (5, 1579088), (7, 1127920), (8, 986930), (10, 789544), (14, 563960), (16, 493465), (20, 394772), (23, 343280), (28, 281980), (35, 225584), (40, 197386), (46, 171640), (56, 140990), (70, 112792), (80, 98693), (92, 85820), (112, 70495), (115, 68656), (140, 56396), (161, 49040), (184, 42910), (230, 34328), (280, 28198), (322, 24520), (368, 21455), (460, 17164), (560, 14099), (613, 12880), (644, 12260), (805, 9808), (920, 8582), (1226, 6440), (1288, 6130), (1610, 4904), (1840, 4291), (2452, 3220), (2576, 3065)]