84638240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 225198792

約数和(自身を除く): 140560552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 37, 40, 58, 68, 74, 80, 85, 116, 136, 145, 148, 160, 170, 185, 232, 272, 290, 296, 340, 370, 464, 493, 544, 580, 592, 629, 680, 740, 841, 928, 986, 1073, 1160, 1184, 1258, 1360, 1480, 1682, 1972, 2146, 2320, 2465, 2516, 2720, 2960, 3145, 3364, 3944, 4205, 4292, 4640, 4930, 5032, 5365, 5920, 6290, 6728, 7888, 8410, 8584, 9860, 10064, 10730, 12580, 13456, 14297, 15776, 16820, 17168, 18241, 19720, 20128, 21460, 25160, 26912, 28594, 31117, 33640, 34336, 36482, 39440, 42920, 50320, 57188, 62234, 67280, 71485, 72964, 78880, 85840, 91205, 100640, 114376, 124468, 134560, 142970, 145928, 155585, 171680, 182410, 228752, 248936, 285940, 291856, 311170, 364820, 457504, 497872, 528989, 571880, 583712, 622340, 729640, 995744, 1057978, 1143760, 1244680, 1459280, 2115956, 2287520, 2489360, 2644945, 2918560, 4231912, 4978720, 5289890, 8463824, 10579780, 16927648, 21159560, 42319120, 84638240]

約数ペア:

[(1, 84638240), (2, 42319120), (4, 21159560), (5, 16927648), (8, 10579780), (10, 8463824), (16, 5289890), (17, 4978720), (20, 4231912), (29, 2918560), (32, 2644945), (34, 2489360), (37, 2287520), (40, 2115956), (58, 1459280), (68, 1244680), (74, 1143760), (80, 1057978), (85, 995744), (116, 729640), (136, 622340), (145, 583712), (148, 571880), (160, 528989), (170, 497872), (185, 457504), (232, 364820), (272, 311170), (290, 291856), (296, 285940), (340, 248936), (370, 228752), (464, 182410), (493, 171680), (544, 155585), (580, 145928), (592, 142970), (629, 134560), (680, 124468), (740, 114376), (841, 100640), (928, 91205), (986, 85840), (1073, 78880), (1160, 72964), (1184, 71485), (1258, 67280), (1360, 62234), (1480, 57188), (1682, 50320), (1972, 42920), (2146, 39440), (2320, 36482), (2465, 34336), (2516, 33640), (2720, 31117), (2960, 28594), (3145, 26912), (3364, 25160), (3944, 21460), (4205, 20128), (4292, 19720), (4640, 18241), (4930, 17168), (5032, 16820), (5365, 15776), (5920, 14297), (6290, 13456), (6728, 12580), (7888, 10730), (8410, 10064), (8584, 9860)]