68506880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 185431680

約数和(自身を除く): 116924800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 179, 184, 208, 230, 256, 260, 299, 320, 358, 368, 416, 460, 520, 598, 640, 716, 736, 832, 895, 920, 1040, 1196, 1280, 1432, 1472, 1495, 1664, 1790, 1840, 2080, 2327, 2392, 2864, 2944, 2990, 3328, 3580, 3680, 4117, 4160, 4654, 4784, 5728, 5888, 5980, 7160, 7360, 8234, 8320, 9308, 9568, 11456, 11635, 11960, 14320, 14720, 16468, 16640, 18616, 19136, 20585, 22912, 23270, 23920, 28640, 29440, 32936, 37232, 38272, 41170, 45824, 46540, 47840, 53521, 57280, 65872, 74464, 76544, 82340, 93080, 95680, 107042, 114560, 131744, 148928, 164680, 186160, 191360, 214084, 229120, 263488, 267605, 297856, 329360, 372320, 382720, 428168, 526976, 535210, 595712, 658720, 744640, 856336, 1053952, 1070420, 1317440, 1489280, 1712672, 2140840, 2634880, 2978560, 3425344, 4281680, 5269760, 6850688, 8563360, 13701376, 17126720, 34253440, 68506880]

約数ペア:

[(1, 68506880), (2, 34253440), (4, 17126720), (5, 13701376), (8, 8563360), (10, 6850688), (13, 5269760), (16, 4281680), (20, 3425344), (23, 2978560), (26, 2634880), (32, 2140840), (40, 1712672), (46, 1489280), (52, 1317440), (64, 1070420), (65, 1053952), (80, 856336), (92, 744640), (104, 658720), (115, 595712), (128, 535210), (130, 526976), (160, 428168), (179, 382720), (184, 372320), (208, 329360), (230, 297856), (256, 267605), (260, 263488), (299, 229120), (320, 214084), (358, 191360), (368, 186160), (416, 164680), (460, 148928), (520, 131744), (598, 114560), (640, 107042), (716, 95680), (736, 93080), (832, 82340), (895, 76544), (920, 74464), (1040, 65872), (1196, 57280), (1280, 53521), (1432, 47840), (1472, 46540), (1495, 45824), (1664, 41170), (1790, 38272), (1840, 37232), (2080, 32936), (2327, 29440), (2392, 28640), (2864, 23920), (2944, 23270), (2990, 22912), (3328, 20585), (3580, 19136), (3680, 18616), (4117, 16640), (4160, 16468), (4654, 14720), (4784, 14320), (5728, 11960), (5888, 11635), (5980, 11456), (7160, 9568), (7360, 9308), (8234, 8320)]