66255280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 199987200

約数和(自身を除く): 133731920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 479, 494, 520, 532, 560, 665, 728, 760, 910, 958, 988, 1040, 1064, 1235, 1330, 1456, 1520, 1729, 1820, 1916, 1976, 2128, 2395, 2470, 2660, 3353, 3458, 3640, 3832, 3952, 4790, 4940, 5320, 6227, 6706, 6916, 7280, 7664, 8645, 9101, 9580, 9880, 10640, 12454, 13412, 13832, 16765, 17290, 18202, 19160, 19760, 24908, 26824, 27664, 31135, 33530, 34580, 36404, 38320, 43589, 45505, 49816, 53648, 62270, 63707, 67060, 69160, 72808, 87178, 91010, 99632, 118313, 124540, 127414, 134120, 138320, 145616, 174356, 182020, 217945, 236626, 249080, 254828, 268240, 318535, 348712, 364040, 435890, 473252, 498160, 509656, 591565, 637070, 697424, 728080, 828191, 871780, 946504, 1019312, 1183130, 1274140, 1656382, 1743560, 1893008, 2366260, 2548280, 3312764, 3487120, 4140955, 4732520, 5096560, 6625528, 8281910, 9465040, 13251056, 16563820, 33127640, 66255280]

約数ペア:

[(1, 66255280), (2, 33127640), (4, 16563820), (5, 13251056), (7, 9465040), (8, 8281910), (10, 6625528), (13, 5096560), (14, 4732520), (16, 4140955), (19, 3487120), (20, 3312764), (26, 2548280), (28, 2366260), (35, 1893008), (38, 1743560), (40, 1656382), (52, 1274140), (56, 1183130), (65, 1019312), (70, 946504), (76, 871780), (80, 828191), (91, 728080), (95, 697424), (104, 637070), (112, 591565), (130, 509656), (133, 498160), (140, 473252), (152, 435890), (182, 364040), (190, 348712), (208, 318535), (247, 268240), (260, 254828), (266, 249080), (280, 236626), (304, 217945), (364, 182020), (380, 174356), (455, 145616), (479, 138320), (494, 134120), (520, 127414), (532, 124540), (560, 118313), (665, 99632), (728, 91010), (760, 87178), (910, 72808), (958, 69160), (988, 67060), (1040, 63707), (1064, 62270), (1235, 53648), (1330, 49816), (1456, 45505), (1520, 43589), (1729, 38320), (1820, 36404), (1916, 34580), (1976, 33530), (2128, 31135), (2395, 27664), (2470, 26824), (2660, 24908), (3353, 19760), (3458, 19160), (3640, 18202), (3832, 17290), (3952, 16765), (4790, 13832), (4940, 13412), (5320, 12454), (6227, 10640), (6706, 9880), (6916, 9580), (7280, 9101), (7664, 8645)]