81018255680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{24631}}^1$

素因数の和:25208

約数の個数: 112

約数和(自身を含む): 203462290560

約数和(自身を除く): 122444034880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 541, 608, 760, 1082, 1216, 1520, 2164, 2705, 3040, 4328, 5410, 6080, 8656, 10279, 10820, 17312, 20558, 21640, 24631, 34624, 41116, 43280, 49262, 51395, 82232, 86560, 98524, 102790, 123155, 164464, 173120, 197048, 205580, 246310, 328928, 394096, 411160, 467989, 492620, 657856, 788192, 822320, 935978, 985240, 1576384, 1644640, 1871956, 1970480, 2339945, 3289280, 3743912, 3940960, 4679890, 7487824, 7881920, 9359780, 13325371, 14975648, 18719560, 26650742, 29951296, 37439120, 53301484, 66626855, 74878240, 106602968, 133253710, 149756480, 213205936, 253182049, 266507420, 426411872, 506364098, 533014840, 852823744, 1012728196, 1066029680, 1265910245, 2025456392, 2132059360, 2531820490, 4050912784, 4264118720, 5063640980, 8101825568, 10127281960, 16203651136, 20254563920, 40509127840, 81018255680]

約数ペア:

[(1, 81018255680), (2, 40509127840), (4, 20254563920), (5, 16203651136), (8, 10127281960), (10, 8101825568), (16, 5063640980), (19, 4264118720), (20, 4050912784), (32, 2531820490), (38, 2132059360), (40, 2025456392), (64, 1265910245), (76, 1066029680), (80, 1012728196), (95, 852823744), (152, 533014840), (160, 506364098), (190, 426411872), (304, 266507420), (320, 253182049), (380, 213205936), (541, 149756480), (608, 133253710), (760, 106602968), (1082, 74878240), (1216, 66626855), (1520, 53301484), (2164, 37439120), (2705, 29951296), (3040, 26650742), (4328, 18719560), (5410, 14975648), (6080, 13325371), (8656, 9359780), (10279, 7881920), (10820, 7487824), (17312, 4679890), (20558, 3940960), (21640, 3743912), (24631, 3289280), (34624, 2339945), (41116, 1970480), (43280, 1871956), (49262, 1644640), (51395, 1576384), (82232, 985240), (86560, 935978), (98524, 822320), (102790, 788192), (123155, 657856), (164464, 492620), (173120, 467989), (197048, 411160), (205580, 394096), (246310, 328928)]