161317980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1790

約数の個数: 144

約数和(自身を含む): 534468480

約数和(自身を除く): 373150500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 1747, 2052, 2430, 2565, 3078, 3420, 3494, 4617, 4860, 5130, 5241, 6156, 6988, 7695, 8735, 9234, 10260, 10482, 15390, 15723, 17470, 18468, 20964, 23085, 26205, 30780, 31446, 33193, 34940, 46170, 47169, 52410, 62892, 66386, 78615, 92340, 94338, 99579, 104820, 132772, 141507, 157230, 165965, 188676, 199158, 235845, 283014, 298737, 314460, 331930, 398316, 424521, 471690, 497895, 566028, 597474, 663860, 707535, 849042, 896211, 943380, 995790, 1194948, 1415070, 1493685, 1698084, 1792422, 1991580, 2122605, 2688633, 2830140, 2987370, 3584844, 4245210, 4481055, 5377266, 5974740, 8065899, 8490420, 8962110, 10754532, 13443165, 16131798, 17924220, 26886330, 32263596, 40329495, 53772660, 80658990, 161317980]

約数ペア:

[(1, 161317980), (2, 80658990), (3, 53772660), (4, 40329495), (5, 32263596), (6, 26886330), (9, 17924220), (10, 16131798), (12, 13443165), (15, 10754532), (18, 8962110), (19, 8490420), (20, 8065899), (27, 5974740), (30, 5377266), (36, 4481055), (38, 4245210), (45, 3584844), (54, 2987370), (57, 2830140), (60, 2688633), (76, 2122605), (81, 1991580), (90, 1792422), (95, 1698084), (108, 1493685), (114, 1415070), (135, 1194948), (162, 995790), (171, 943380), (180, 896211), (190, 849042), (228, 707535), (243, 663860), (270, 597474), (285, 566028), (324, 497895), (342, 471690), (380, 424521), (405, 398316), (486, 331930), (513, 314460), (540, 298737), (570, 283014), (684, 235845), (810, 199158), (855, 188676), (972, 165965), (1026, 157230), (1140, 141507), (1215, 132772), (1539, 104820), (1620, 99579), (1710, 94338), (1747, 92340), (2052, 78615), (2430, 66386), (2565, 62892), (3078, 52410), (3420, 47169), (3494, 46170), (4617, 34940), (4860, 33193), (5130, 31446), (5241, 30780), (6156, 26205), (6988, 23085), (7695, 20964), (8735, 18468), (9234, 17470), (10260, 15723), (10482, 15390)]