31581760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 112

約数和(自身を含む): 89830656

約数和(自身を除く): 58248896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 613, 644, 736, 805, 920, 1120, 1226, 1288, 1472, 1610, 1840, 2240, 2452, 2576, 3065, 3220, 3680, 4291, 4904, 5152, 6130, 6440, 7360, 8582, 9808, 10304, 12260, 12880, 14099, 17164, 19616, 21455, 24520, 25760, 28198, 34328, 39232, 42910, 49040, 51520, 56396, 68656, 70495, 85820, 98080, 98693, 112792, 137312, 140990, 171640, 196160, 197386, 225584, 274624, 281980, 343280, 394772, 451168, 493465, 563960, 686560, 789544, 902336, 986930, 1127920, 1373120, 1579088, 1973860, 2255840, 3158176, 3947720, 4511680, 6316352, 7895440, 15790880, 31581760]

約数ペア:

[(1, 31581760), (2, 15790880), (4, 7895440), (5, 6316352), (7, 4511680), (8, 3947720), (10, 3158176), (14, 2255840), (16, 1973860), (20, 1579088), (23, 1373120), (28, 1127920), (32, 986930), (35, 902336), (40, 789544), (46, 686560), (56, 563960), (64, 493465), (70, 451168), (80, 394772), (92, 343280), (112, 281980), (115, 274624), (140, 225584), (160, 197386), (161, 196160), (184, 171640), (224, 140990), (230, 137312), (280, 112792), (320, 98693), (322, 98080), (368, 85820), (448, 70495), (460, 68656), (560, 56396), (613, 51520), (644, 49040), (736, 42910), (805, 39232), (920, 34328), (1120, 28198), (1226, 25760), (1288, 24520), (1472, 21455), (1610, 19616), (1840, 17164), (2240, 14099), (2452, 12880), (2576, 12260), (3065, 10304), (3220, 9808), (3680, 8582), (4291, 7360), (4904, 6440), (5152, 6130)]