28139130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 75945600

約数和(自身を除く): 47806470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 178, 267, 270, 445, 534, 801, 890, 1171, 1335, 1602, 2342, 2403, 2670, 3513, 4005, 4806, 5855, 7026, 8010, 10539, 11710, 12015, 17565, 21078, 24030, 31617, 35130, 52695, 63234, 104219, 105390, 158085, 208438, 312657, 316170, 521095, 625314, 937971, 1042190, 1563285, 1875942, 2813913, 3126570, 4689855, 5627826, 9379710, 14069565, 28139130]

約数ペア:

[(1, 28139130), (2, 14069565), (3, 9379710), (5, 5627826), (6, 4689855), (9, 3126570), (10, 2813913), (15, 1875942), (18, 1563285), (27, 1042190), (30, 937971), (45, 625314), (54, 521095), (89, 316170), (90, 312657), (135, 208438), (178, 158085), (267, 105390), (270, 104219), (445, 63234), (534, 52695), (801, 35130), (890, 31617), (1171, 24030), (1335, 21078), (1602, 17565), (2342, 12015), (2403, 11710), (2670, 10539), (3513, 8010), (4005, 7026), (4806, 5855)]