161945892

素因数分解:

$2^2\times 3^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 168

約数和(自身を含む): 465180800

約数和(自身を除く): 303234908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 37, 38, 54, 57, 74, 76, 79, 81, 108, 111, 114, 148, 158, 162, 171, 222, 228, 237, 243, 316, 324, 333, 342, 444, 474, 486, 513, 666, 684, 703, 711, 729, 948, 972, 999, 1026, 1332, 1406, 1422, 1458, 1501, 1539, 1998, 2052, 2109, 2133, 2812, 2844, 2916, 2923, 2997, 3002, 3078, 3996, 4218, 4266, 4503, 4617, 5846, 5994, 6004, 6156, 6327, 6399, 8436, 8532, 8769, 8991, 9006, 9234, 11692, 11988, 12654, 12798, 13509, 13851, 17538, 17982, 18012, 18468, 18981, 19197, 25308, 25596, 26307, 26973, 27018, 27702, 35076, 35964, 37962, 38394, 40527, 52614, 53946, 54036, 55404, 55537, 56943, 57591, 75924, 76788, 78921, 81054, 105228, 107892, 111074, 113886, 115182, 121581, 157842, 162108, 166611, 170829, 222148, 227772, 230364, 236763, 243162, 315684, 333222, 341658, 364743, 473526, 486324, 499833, 512487, 666444, 683316, 710289, 729486, 947052, 999666, 1024974, 1094229, 1420578, 1458972, 1499499, 1999332, 2049948, 2130867, 2188458, 2841156, 2998998, 4261734, 4376916, 4498497, 5997996, 8523468, 8996994, 13495491, 17993988, 26990982, 40486473, 53981964, 80972946, 161945892]

約数ペア:

[(1, 161945892), (2, 80972946), (3, 53981964), (4, 40486473), (6, 26990982), (9, 17993988), (12, 13495491), (18, 8996994), (19, 8523468), (27, 5997996), (36, 4498497), (37, 4376916), (38, 4261734), (54, 2998998), (57, 2841156), (74, 2188458), (76, 2130867), (79, 2049948), (81, 1999332), (108, 1499499), (111, 1458972), (114, 1420578), (148, 1094229), (158, 1024974), (162, 999666), (171, 947052), (222, 729486), (228, 710289), (237, 683316), (243, 666444), (316, 512487), (324, 499833), (333, 486324), (342, 473526), (444, 364743), (474, 341658), (486, 333222), (513, 315684), (666, 243162), (684, 236763), (703, 230364), (711, 227772), (729, 222148), (948, 170829), (972, 166611), (999, 162108), (1026, 157842), (1332, 121581), (1406, 115182), (1422, 113886), (1458, 111074), (1501, 107892), (1539, 105228), (1998, 81054), (2052, 78921), (2109, 76788), (2133, 75924), (2812, 57591), (2844, 56943), (2916, 55537), (2923, 55404), (2997, 54036), (3002, 53946), (3078, 52614), (3996, 40527), (4218, 38394), (4266, 37962), (4503, 35964), (4617, 35076), (5846, 27702), (5994, 27018), (6004, 26973), (6156, 26307), (6327, 25596), (6399, 25308), (8436, 19197), (8532, 18981), (8769, 18468), (8991, 18012), (9006, 17982), (9234, 17538), (11692, 13851), (11988, 13509), (12654, 12798)]