20128410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 56160000

約数和(自身を除く): 36031590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 79, 90, 95, 114, 149, 158, 171, 190, 237, 285, 298, 342, 395, 447, 474, 570, 711, 745, 790, 855, 894, 1185, 1341, 1422, 1490, 1501, 1710, 2235, 2370, 2682, 2831, 3002, 3555, 4470, 4503, 5662, 6705, 7110, 7505, 8493, 9006, 11771, 13410, 13509, 14155, 15010, 16986, 22515, 23542, 25479, 27018, 28310, 35313, 42465, 45030, 50958, 58855, 67545, 70626, 84930, 105939, 117710, 127395, 135090, 176565, 211878, 223649, 254790, 353130, 447298, 529695, 670947, 1059390, 1118245, 1341894, 2012841, 2236490, 3354735, 4025682, 6709470, 10064205, 20128410]

約数ペア:

[(1, 20128410), (2, 10064205), (3, 6709470), (5, 4025682), (6, 3354735), (9, 2236490), (10, 2012841), (15, 1341894), (18, 1118245), (19, 1059390), (30, 670947), (38, 529695), (45, 447298), (57, 353130), (79, 254790), (90, 223649), (95, 211878), (114, 176565), (149, 135090), (158, 127395), (171, 117710), (190, 105939), (237, 84930), (285, 70626), (298, 67545), (342, 58855), (395, 50958), (447, 45030), (474, 42465), (570, 35313), (711, 28310), (745, 27018), (790, 25479), (855, 23542), (894, 22515), (1185, 16986), (1341, 15010), (1422, 14155), (1490, 13509), (1501, 13410), (1710, 11771), (2235, 9006), (2370, 8493), (2682, 7505), (2831, 7110), (3002, 6705), (3555, 5662), (4470, 4503)]