31987980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1656

約数の個数: 96

約数和(自身を含む): 102271680

約数和(自身を除く): 70283700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1601, 1665, 1998, 2220, 3202, 3330, 3996, 4803, 4995, 6404, 6660, 8005, 9606, 9990, 14409, 16010, 19212, 19980, 24015, 28818, 32020, 43227, 48030, 57636, 59237, 72045, 86454, 96060, 118474, 144090, 172908, 177711, 216135, 236948, 288180, 296185, 355422, 432270, 533133, 592370, 710844, 864540, 888555, 1066266, 1184740, 1599399, 1777110, 2132532, 2665665, 3198798, 3554220, 5331330, 6397596, 7996995, 10662660, 15993990, 31987980]

約数ペア:

[(1, 31987980), (2, 15993990), (3, 10662660), (4, 7996995), (5, 6397596), (6, 5331330), (9, 3554220), (10, 3198798), (12, 2665665), (15, 2132532), (18, 1777110), (20, 1599399), (27, 1184740), (30, 1066266), (36, 888555), (37, 864540), (45, 710844), (54, 592370), (60, 533133), (74, 432270), (90, 355422), (108, 296185), (111, 288180), (135, 236948), (148, 216135), (180, 177711), (185, 172908), (222, 144090), (270, 118474), (333, 96060), (370, 86454), (444, 72045), (540, 59237), (555, 57636), (666, 48030), (740, 43227), (999, 32020), (1110, 28818), (1332, 24015), (1601, 19980), (1665, 19212), (1998, 16010), (2220, 14409), (3202, 9990), (3330, 9606), (3996, 8005), (4803, 6660), (4995, 6404)]