131361280

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 120

約数和(自身を含む): 332642772

約数和(自身を除く): 201281492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 97, 115, 128, 160, 184, 194, 230, 256, 320, 368, 388, 460, 485, 512, 529, 640, 736, 776, 920, 970, 1058, 1280, 1472, 1552, 1840, 1940, 2116, 2231, 2560, 2645, 2944, 3104, 3680, 3880, 4232, 4462, 5290, 5888, 6208, 7360, 7760, 8464, 8924, 10580, 11155, 11776, 12416, 14720, 15520, 16928, 17848, 21160, 22310, 24832, 29440, 31040, 33856, 35696, 42320, 44620, 49664, 51313, 58880, 62080, 67712, 71392, 84640, 89240, 102626, 124160, 135424, 142784, 169280, 178480, 205252, 248320, 256565, 270848, 285568, 338560, 356960, 410504, 513130, 571136, 677120, 713920, 821008, 1026260, 1142272, 1354240, 1427840, 1642016, 2052520, 2855680, 3284032, 4105040, 5711360, 6568064, 8210080, 13136128, 16420160, 26272256, 32840320, 65680640, 131361280]

約数ペア:

[(1, 131361280), (2, 65680640), (4, 32840320), (5, 26272256), (8, 16420160), (10, 13136128), (16, 8210080), (20, 6568064), (23, 5711360), (32, 4105040), (40, 3284032), (46, 2855680), (64, 2052520), (80, 1642016), (92, 1427840), (97, 1354240), (115, 1142272), (128, 1026260), (160, 821008), (184, 713920), (194, 677120), (230, 571136), (256, 513130), (320, 410504), (368, 356960), (388, 338560), (460, 285568), (485, 270848), (512, 256565), (529, 248320), (640, 205252), (736, 178480), (776, 169280), (920, 142784), (970, 135424), (1058, 124160), (1280, 102626), (1472, 89240), (1552, 84640), (1840, 71392), (1940, 67712), (2116, 62080), (2231, 58880), (2560, 51313), (2645, 49664), (2944, 44620), (3104, 42320), (3680, 35696), (3880, 33856), (4232, 31040), (4462, 29440), (5290, 24832), (5888, 22310), (6208, 21160), (7360, 17848), (7760, 16928), (8464, 15520), (8924, 14720), (10580, 12416), (11155, 11776)]