161838972

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 452035584

約数和(自身を除く): 290196612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 41, 54, 62, 81, 82, 93, 108, 123, 124, 131, 162, 164, 186, 243, 246, 262, 279, 324, 369, 372, 393, 486, 492, 524, 558, 738, 786, 837, 972, 1107, 1116, 1179, 1271, 1476, 1572, 1674, 2214, 2358, 2511, 2542, 3321, 3348, 3537, 3813, 4061, 4428, 4716, 5022, 5084, 5371, 6642, 7074, 7533, 7626, 8122, 9963, 10044, 10611, 10742, 11439, 12183, 13284, 14148, 15066, 15252, 16113, 16244, 19926, 21222, 21484, 22878, 24366, 30132, 31833, 32226, 34317, 36549, 39852, 42444, 45756, 48339, 48732, 63666, 64452, 68634, 73098, 96678, 102951, 109647, 127332, 137268, 145017, 146196, 166501, 193356, 205902, 219294, 290034, 308853, 328941, 333002, 411804, 435051, 438588, 499503, 580068, 617706, 657882, 666004, 870102, 986823, 999006, 1235412, 1305153, 1315764, 1498509, 1740204, 1973646, 1998012, 2610306, 2997018, 3947292, 4495527, 5220612, 5994036, 8991054, 13486581, 17982108, 26973162, 40459743, 53946324, 80919486, 161838972]

約数ペア:

[(1, 161838972), (2, 80919486), (3, 53946324), (4, 40459743), (6, 26973162), (9, 17982108), (12, 13486581), (18, 8991054), (27, 5994036), (31, 5220612), (36, 4495527), (41, 3947292), (54, 2997018), (62, 2610306), (81, 1998012), (82, 1973646), (93, 1740204), (108, 1498509), (123, 1315764), (124, 1305153), (131, 1235412), (162, 999006), (164, 986823), (186, 870102), (243, 666004), (246, 657882), (262, 617706), (279, 580068), (324, 499503), (369, 438588), (372, 435051), (393, 411804), (486, 333002), (492, 328941), (524, 308853), (558, 290034), (738, 219294), (786, 205902), (837, 193356), (972, 166501), (1107, 146196), (1116, 145017), (1179, 137268), (1271, 127332), (1476, 109647), (1572, 102951), (1674, 96678), (2214, 73098), (2358, 68634), (2511, 64452), (2542, 63666), (3321, 48732), (3348, 48339), (3537, 45756), (3813, 42444), (4061, 39852), (4428, 36549), (4716, 34317), (5022, 32226), (5084, 31833), (5371, 30132), (6642, 24366), (7074, 22878), (7533, 21484), (7626, 21222), (8122, 19926), (9963, 16244), (10044, 16113), (10611, 15252), (10742, 15066), (11439, 14148), (12183, 13284)]