123515520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2797}}^1$

素因数の和:2842

約数の個数: 128

約数和(自身を含む): 410970240

約数和(自身を除く): 287454720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2797, 2944, 3680, 4416, 5520, 5594, 7360, 8391, 8832, 11040, 11188, 13985, 14720, 16782, 22080, 22376, 27970, 33564, 41955, 44160, 44752, 55940, 64331, 67128, 83910, 89504, 111880, 128662, 134256, 167820, 179008, 192993, 223760, 257324, 268512, 321655, 335640, 358016, 385986, 447520, 514648, 537024, 643310, 671280, 771972, 895040, 964965, 1029296, 1074048, 1286620, 1342560, 1543944, 1790080, 1929930, 2058592, 2573240, 2685120, 3087888, 3859860, 4117184, 5146480, 5370240, 6175776, 7719720, 8234368, 10292960, 12351552, 15439440, 20585920, 24703104, 30878880, 41171840, 61757760, 123515520]

約数ペア:

[(1, 123515520), (2, 61757760), (3, 41171840), (4, 30878880), (5, 24703104), (6, 20585920), (8, 15439440), (10, 12351552), (12, 10292960), (15, 8234368), (16, 7719720), (20, 6175776), (23, 5370240), (24, 5146480), (30, 4117184), (32, 3859860), (40, 3087888), (46, 2685120), (48, 2573240), (60, 2058592), (64, 1929930), (69, 1790080), (80, 1543944), (92, 1342560), (96, 1286620), (115, 1074048), (120, 1029296), (128, 964965), (138, 895040), (160, 771972), (184, 671280), (192, 643310), (230, 537024), (240, 514648), (276, 447520), (320, 385986), (345, 358016), (368, 335640), (384, 321655), (460, 268512), (480, 257324), (552, 223760), (640, 192993), (690, 179008), (736, 167820), (920, 134256), (960, 128662), (1104, 111880), (1380, 89504), (1472, 83910), (1840, 67128), (1920, 64331), (2208, 55940), (2760, 44752), (2797, 44160), (2944, 41955), (3680, 33564), (4416, 27970), (5520, 22376), (5594, 22080), (7360, 16782), (8391, 14720), (8832, 13985), (11040, 11188)]