51905040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19661}}^1$

素因数の和:19688

約数の個数: 80

約数和(自身を含む): 175542336

約数和(自身を除く): 123637296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 19661, 39322, 58983, 78644, 98305, 117966, 157288, 196610, 216271, 235932, 294915, 314576, 393220, 432542, 471864, 589830, 648813, 786440, 865084, 943728, 1081355, 1179660, 1297626, 1572880, 1730168, 2162710, 2359320, 2595252, 3244065, 3460336, 4325420, 4718640, 5190504, 6488130, 8650840, 10381008, 12976260, 17301680, 25952520, 51905040]

約数ペア:

[(1, 51905040), (2, 25952520), (3, 17301680), (4, 12976260), (5, 10381008), (6, 8650840), (8, 6488130), (10, 5190504), (11, 4718640), (12, 4325420), (15, 3460336), (16, 3244065), (20, 2595252), (22, 2359320), (24, 2162710), (30, 1730168), (33, 1572880), (40, 1297626), (44, 1179660), (48, 1081355), (55, 943728), (60, 865084), (66, 786440), (80, 648813), (88, 589830), (110, 471864), (120, 432542), (132, 393220), (165, 314576), (176, 294915), (220, 235932), (240, 216271), (264, 196610), (330, 157288), (440, 117966), (528, 98305), (660, 78644), (880, 58983), (1320, 39322), (2640, 19661)]