88818880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:626

約数の個数: 112

約数和(自身を含む): 232074720

約数和(自身を除く): 143255840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 290, 320, 340, 464, 493, 544, 563, 580, 680, 928, 986, 1088, 1126, 1160, 1360, 1856, 1972, 2252, 2320, 2465, 2720, 2815, 3944, 4504, 4640, 4930, 5440, 5630, 7888, 9008, 9280, 9571, 9860, 11260, 15776, 16327, 18016, 19142, 19720, 22520, 31552, 32654, 36032, 38284, 39440, 45040, 47855, 65308, 76568, 78880, 81635, 90080, 95710, 130616, 153136, 157760, 163270, 180160, 191420, 261232, 277559, 306272, 326540, 382840, 522464, 555118, 612544, 653080, 765680, 1044928, 1110236, 1306160, 1387795, 1531360, 2220472, 2612320, 2775590, 3062720, 4440944, 5224640, 5551180, 8881888, 11102360, 17763776, 22204720, 44409440, 88818880]

約数ペア:

[(1, 88818880), (2, 44409440), (4, 22204720), (5, 17763776), (8, 11102360), (10, 8881888), (16, 5551180), (17, 5224640), (20, 4440944), (29, 3062720), (32, 2775590), (34, 2612320), (40, 2220472), (58, 1531360), (64, 1387795), (68, 1306160), (80, 1110236), (85, 1044928), (116, 765680), (136, 653080), (145, 612544), (160, 555118), (170, 522464), (232, 382840), (272, 326540), (290, 306272), (320, 277559), (340, 261232), (464, 191420), (493, 180160), (544, 163270), (563, 157760), (580, 153136), (680, 130616), (928, 95710), (986, 90080), (1088, 81635), (1126, 78880), (1160, 76568), (1360, 65308), (1856, 47855), (1972, 45040), (2252, 39440), (2320, 38284), (2465, 36032), (2720, 32654), (2815, 31552), (3944, 22520), (4504, 19720), (4640, 19142), (4930, 18016), (5440, 16327), (5630, 15776), (7888, 11260), (9008, 9860), (9280, 9571)]