68864640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 246758400

約数和(自身を除く): 177893760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 89, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 178, 186, 192, 195, 208, 240, 248, 260, 267, 310, 312, 320, 356, 372, 384, 390, 403, 416, 445, 465, 480, 496, 520, 534, 620, 624, 640, 712, 744, 780, 806, 832, 890, 930, 960, 992, 1040, 1068, 1157, 1209, 1240, 1248, 1335, 1424, 1488, 1560, 1612, 1664, 1780, 1860, 1920, 1984, 2015, 2080, 2136, 2314, 2418, 2480, 2496, 2670, 2759, 2848, 2976, 3120, 3224, 3471, 3560, 3720, 3968, 4030, 4160, 4272, 4628, 4836, 4960, 4992, 5340, 5518, 5696, 5785, 5952, 6045, 6240, 6448, 6942, 7120, 7440, 8060, 8277, 8320, 8544, 9256, 9672, 9920, 10680, 11036, 11392, 11570, 11904, 12090, 12480, 12896, 13795, 13884, 14240, 14880, 16120, 16554, 17088, 17355, 18512, 19344, 19840, 21360, 22072, 23140, 24180, 24960, 25792, 27590, 27768, 28480, 29760, 32240, 33108, 34176, 34710, 35867, 37024, 38688, 41385, 42720, 44144, 46280, 48360, 51584, 55180, 55536, 56960, 59520, 64480, 66216, 69420, 71734, 74048, 77376, 82770, 85440, 88288, 92560, 96720, 107601, 110360, 111072, 128960, 132432, 138840, 143468, 148096, 154752, 165540, 170880, 176576, 179335, 185120, 193440, 215202, 220720, 222144, 257920, 264864, 277680, 286936, 331080, 353152, 358670, 370240, 386880, 430404, 441440, 444288, 529728, 538005, 555360, 573872, 662160, 717340, 740480, 773760, 860808, 882880, 1059456, 1076010, 1110720, 1147744, 1324320, 1434680, 1721616, 1765760, 2152020, 2221440, 2295488, 2648640, 2869360, 3443232, 4304040, 4590976, 5297280, 5738720, 6886464, 8608080, 11477440, 13772928, 17216160, 22954880, 34432320, 68864640]

約数ペア:

[(1, 68864640), (2, 34432320), (3, 22954880), (4, 17216160), (5, 13772928), (6, 11477440), (8, 8608080), (10, 6886464), (12, 5738720), (13, 5297280), (15, 4590976), (16, 4304040), (20, 3443232), (24, 2869360), (26, 2648640), (30, 2295488), (31, 2221440), (32, 2152020), (39, 1765760), (40, 1721616), (48, 1434680), (52, 1324320), (60, 1147744), (62, 1110720), (64, 1076010), (65, 1059456), (78, 882880), (80, 860808), (89, 773760), (93, 740480), (96, 717340), (104, 662160), (120, 573872), (124, 555360), (128, 538005), (130, 529728), (155, 444288), (156, 441440), (160, 430404), (178, 386880), (186, 370240), (192, 358670), (195, 353152), (208, 331080), (240, 286936), (248, 277680), (260, 264864), (267, 257920), (310, 222144), (312, 220720), (320, 215202), (356, 193440), (372, 185120), (384, 179335), (390, 176576), (403, 170880), (416, 165540), (445, 154752), (465, 148096), (480, 143468), (496, 138840), (520, 132432), (534, 128960), (620, 111072), (624, 110360), (640, 107601), (712, 96720), (744, 92560), (780, 88288), (806, 85440), (832, 82770), (890, 77376), (930, 74048), (960, 71734), (992, 69420), (1040, 66216), (1068, 64480), (1157, 59520), (1209, 56960), (1240, 55536), (1248, 55180), (1335, 51584), (1424, 48360), (1488, 46280), (1560, 44144), (1612, 42720), (1664, 41385), (1780, 38688), (1860, 37024), (1920, 35867), (1984, 34710), (2015, 34176), (2080, 33108), (2136, 32240), (2314, 29760), (2418, 28480), (2480, 27768), (2496, 27590), (2670, 25792), (2759, 24960), (2848, 24180), (2976, 23140), (3120, 22072), (3224, 21360), (3471, 19840), (3560, 19344), (3720, 18512), (3968, 17355), (4030, 17088), (4160, 16554), (4272, 16120), (4628, 14880), (4836, 14240), (4960, 13884), (4992, 13795), (5340, 12896), (5518, 12480), (5696, 12090), (5785, 11904), (5952, 11570), (6045, 11392), (6240, 11036), (6448, 10680), (6942, 9920), (7120, 9672), (7440, 9256), (8060, 8544), (8277, 8320)]