18819120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4127}}^1$

素因数の和:4162

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 42605520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4127, 4560, 8254, 12381, 16508, 20635, 24762, 33016, 41270, 49524, 61905, 66032, 78413, 82540, 99048, 123810, 156826, 165080, 198096, 235239, 247620, 313652, 330160, 392065, 470478, 495240, 627304, 784130, 940956, 990480, 1176195, 1254608, 1568260, 1881912, 2352390, 3136520, 3763824, 4704780, 6273040, 9409560, 18819120]

約数ペア:

[(1, 18819120), (2, 9409560), (3, 6273040), (4, 4704780), (5, 3763824), (6, 3136520), (8, 2352390), (10, 1881912), (12, 1568260), (15, 1254608), (16, 1176195), (19, 990480), (20, 940956), (24, 784130), (30, 627304), (38, 495240), (40, 470478), (48, 392065), (57, 330160), (60, 313652), (76, 247620), (80, 235239), (95, 198096), (114, 165080), (120, 156826), (152, 123810), (190, 99048), (228, 82540), (240, 78413), (285, 66032), (304, 61905), (380, 49524), (456, 41270), (570, 33016), (760, 24762), (912, 20635), (1140, 16508), (1520, 12381), (2280, 8254), (4127, 4560)]