87599720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 226951200

約数和(自身を除く): 139351480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 37, 40, 52, 58, 65, 74, 104, 116, 130, 145, 148, 157, 185, 232, 260, 290, 296, 314, 370, 377, 481, 520, 580, 628, 740, 754, 785, 962, 1073, 1160, 1256, 1480, 1508, 1570, 1885, 1924, 2041, 2146, 2405, 3016, 3140, 3770, 3848, 4082, 4292, 4553, 4810, 5365, 5809, 6280, 7540, 8164, 8584, 9106, 9620, 10205, 10730, 11618, 13949, 15080, 16328, 18212, 19240, 20410, 21460, 22765, 23236, 27898, 29045, 36424, 40820, 42920, 45530, 46472, 55796, 58090, 59189, 69745, 75517, 81640, 91060, 111592, 116180, 118378, 139490, 151034, 168461, 182120, 232360, 236756, 278980, 295945, 302068, 336922, 377585, 473512, 557960, 591890, 604136, 673844, 755170, 842305, 1183780, 1347688, 1510340, 1684610, 2189993, 2367560, 3020680, 3369220, 4379986, 6738440, 8759972, 10949965, 17519944, 21899930, 43799860, 87599720]

約数ペア:

[(1, 87599720), (2, 43799860), (4, 21899930), (5, 17519944), (8, 10949965), (10, 8759972), (13, 6738440), (20, 4379986), (26, 3369220), (29, 3020680), (37, 2367560), (40, 2189993), (52, 1684610), (58, 1510340), (65, 1347688), (74, 1183780), (104, 842305), (116, 755170), (130, 673844), (145, 604136), (148, 591890), (157, 557960), (185, 473512), (232, 377585), (260, 336922), (290, 302068), (296, 295945), (314, 278980), (370, 236756), (377, 232360), (481, 182120), (520, 168461), (580, 151034), (628, 139490), (740, 118378), (754, 116180), (785, 111592), (962, 91060), (1073, 81640), (1160, 75517), (1256, 69745), (1480, 59189), (1508, 58090), (1570, 55796), (1885, 46472), (1924, 45530), (2041, 42920), (2146, 40820), (2405, 36424), (3016, 29045), (3140, 27898), (3770, 23236), (3848, 22765), (4082, 21460), (4292, 20410), (4553, 19240), (4810, 18212), (5365, 16328), (5809, 15080), (6280, 13949), (7540, 11618), (8164, 10730), (8584, 10205), (9106, 9620)]