156987990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 435456000

約数和(自身を除く): 278468010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 89, 90, 94, 135, 139, 141, 178, 235, 267, 270, 278, 282, 417, 423, 445, 470, 534, 695, 705, 801, 834, 846, 890, 1251, 1269, 1335, 1390, 1410, 1602, 2085, 2115, 2403, 2502, 2538, 2670, 3753, 4005, 4170, 4183, 4230, 4806, 6255, 6345, 6533, 7506, 8010, 8366, 12015, 12371, 12510, 12549, 12690, 13066, 18765, 19599, 20915, 24030, 24742, 25098, 32665, 37113, 37530, 37647, 39198, 41830, 58797, 61855, 62745, 65330, 74226, 75294, 97995, 111339, 112941, 117594, 123710, 125490, 176391, 185565, 188235, 195990, 222678, 225882, 293985, 334017, 352782, 371130, 376470, 556695, 564705, 581437, 587970, 668034, 881955, 1113390, 1129410, 1162874, 1670085, 1744311, 1763910, 2907185, 3340170, 3488622, 5232933, 5814370, 8721555, 10465866, 15698799, 17443110, 26164665, 31397598, 52329330, 78493995, 156987990]

約数ペア:

[(1, 156987990), (2, 78493995), (3, 52329330), (5, 31397598), (6, 26164665), (9, 17443110), (10, 15698799), (15, 10465866), (18, 8721555), (27, 5814370), (30, 5232933), (45, 3488622), (47, 3340170), (54, 2907185), (89, 1763910), (90, 1744311), (94, 1670085), (135, 1162874), (139, 1129410), (141, 1113390), (178, 881955), (235, 668034), (267, 587970), (270, 581437), (278, 564705), (282, 556695), (417, 376470), (423, 371130), (445, 352782), (470, 334017), (534, 293985), (695, 225882), (705, 222678), (801, 195990), (834, 188235), (846, 185565), (890, 176391), (1251, 125490), (1269, 123710), (1335, 117594), (1390, 112941), (1410, 111339), (1602, 97995), (2085, 75294), (2115, 74226), (2403, 65330), (2502, 62745), (2538, 61855), (2670, 58797), (3753, 41830), (4005, 39198), (4170, 37647), (4183, 37530), (4230, 37113), (4806, 32665), (6255, 25098), (6345, 24742), (6533, 24030), (7506, 20915), (8010, 19599), (8366, 18765), (12015, 13066), (12371, 12690), (12510, 12549)]