15816360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 128

約数和(自身を含む): 57139200

約数和(自身を除く): 41322840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 991, 1064, 1140, 1330, 1596, 1982, 1995, 2280, 2660, 2973, 3192, 3964, 3990, 4955, 5320, 5946, 6937, 7928, 7980, 9910, 11892, 13874, 14865, 15960, 18829, 19820, 20811, 23784, 27748, 29730, 34685, 37658, 39640, 41622, 55496, 56487, 59460, 69370, 75316, 83244, 94145, 104055, 112974, 118920, 131803, 138740, 150632, 166488, 188290, 208110, 225948, 263606, 277480, 282435, 376580, 395409, 416220, 451896, 527212, 564870, 659015, 753160, 790818, 832440, 1054424, 1129740, 1318030, 1581636, 1977045, 2259480, 2636060, 3163272, 3954090, 5272120, 7908180, 15816360]

約数ペア:

[(1, 15816360), (2, 7908180), (3, 5272120), (4, 3954090), (5, 3163272), (6, 2636060), (7, 2259480), (8, 1977045), (10, 1581636), (12, 1318030), (14, 1129740), (15, 1054424), (19, 832440), (20, 790818), (21, 753160), (24, 659015), (28, 564870), (30, 527212), (35, 451896), (38, 416220), (40, 395409), (42, 376580), (56, 282435), (57, 277480), (60, 263606), (70, 225948), (76, 208110), (84, 188290), (95, 166488), (105, 150632), (114, 138740), (120, 131803), (133, 118920), (140, 112974), (152, 104055), (168, 94145), (190, 83244), (210, 75316), (228, 69370), (266, 59460), (280, 56487), (285, 55496), (380, 41622), (399, 39640), (420, 37658), (456, 34685), (532, 29730), (570, 27748), (665, 23784), (760, 20811), (798, 19820), (840, 18829), (991, 15960), (1064, 14865), (1140, 13874), (1330, 11892), (1596, 9910), (1982, 7980), (1995, 7928), (2280, 6937), (2660, 5946), (2973, 5320), (3192, 4955), (3964, 3990)]