217519560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 256

約数和(自身を含む): 767232000

約数和(自身を除く): 549712440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 73, 89, 90, 93, 108, 120, 124, 135, 146, 155, 178, 180, 186, 216, 219, 248, 267, 270, 279, 292, 310, 356, 360, 365, 372, 438, 445, 465, 534, 540, 558, 584, 620, 657, 712, 730, 744, 801, 837, 876, 890, 930, 1068, 1080, 1095, 1116, 1240, 1314, 1335, 1395, 1460, 1602, 1674, 1752, 1780, 1860, 1971, 2136, 2190, 2232, 2263, 2403, 2628, 2670, 2759, 2790, 2920, 3204, 3285, 3348, 3560, 3720, 3942, 4005, 4185, 4380, 4526, 4806, 5256, 5340, 5518, 5580, 6408, 6497, 6570, 6696, 6789, 7884, 8010, 8277, 8370, 8760, 9052, 9612, 9855, 10680, 11036, 11160, 11315, 12015, 12994, 13140, 13578, 13795, 15768, 16020, 16554, 16740, 18104, 19224, 19491, 19710, 20367, 22072, 22630, 24030, 24831, 25988, 26280, 27156, 27590, 32040, 32485, 33108, 33480, 33945, 38982, 39420, 40734, 41385, 45260, 48060, 49662, 51976, 54312, 55180, 58473, 61101, 64970, 66216, 67890, 74493, 77964, 78840, 81468, 82770, 90520, 96120, 97455, 99324, 101835, 110360, 116946, 122202, 124155, 129940, 135780, 148986, 155928, 162936, 165540, 175419, 194910, 198648, 201407, 203670, 233892, 244404, 248310, 259880, 271560, 292365, 297972, 305505, 331080, 350838, 372465, 389820, 402814, 407340, 467784, 488808, 496620, 584730, 595944, 604221, 611010, 701676, 744930, 779640, 805628, 814680, 877095, 993240, 1007035, 1169460, 1208442, 1222020, 1403352, 1489860, 1611256, 1754190, 1812663, 2014070, 2338920, 2416884, 2444040, 2979720, 3021105, 3508380, 3625326, 4028140, 4833768, 5437989, 6042210, 7016760, 7250652, 8056280, 9063315, 10875978, 12084420, 14501304, 18126630, 21751956, 24168840, 27189945, 36253260, 43503912, 54379890, 72506520, 108759780, 217519560]

約数ペア:

[(1, 217519560), (2, 108759780), (3, 72506520), (4, 54379890), (5, 43503912), (6, 36253260), (8, 27189945), (9, 24168840), (10, 21751956), (12, 18126630), (15, 14501304), (18, 12084420), (20, 10875978), (24, 9063315), (27, 8056280), (30, 7250652), (31, 7016760), (36, 6042210), (40, 5437989), (45, 4833768), (54, 4028140), (60, 3625326), (62, 3508380), (72, 3021105), (73, 2979720), (89, 2444040), (90, 2416884), (93, 2338920), (108, 2014070), (120, 1812663), (124, 1754190), (135, 1611256), (146, 1489860), (155, 1403352), (178, 1222020), (180, 1208442), (186, 1169460), (216, 1007035), (219, 993240), (248, 877095), (267, 814680), (270, 805628), (279, 779640), (292, 744930), (310, 701676), (356, 611010), (360, 604221), (365, 595944), (372, 584730), (438, 496620), (445, 488808), (465, 467784), (534, 407340), (540, 402814), (558, 389820), (584, 372465), (620, 350838), (657, 331080), (712, 305505), (730, 297972), (744, 292365), (801, 271560), (837, 259880), (876, 248310), (890, 244404), (930, 233892), (1068, 203670), (1080, 201407), (1095, 198648), (1116, 194910), (1240, 175419), (1314, 165540), (1335, 162936), (1395, 155928), (1460, 148986), (1602, 135780), (1674, 129940), (1752, 124155), (1780, 122202), (1860, 116946), (1971, 110360), (2136, 101835), (2190, 99324), (2232, 97455), (2263, 96120), (2403, 90520), (2628, 82770), (2670, 81468), (2759, 78840), (2790, 77964), (2920, 74493), (3204, 67890), (3285, 66216), (3348, 64970), (3560, 61101), (3720, 58473), (3942, 55180), (4005, 54312), (4185, 51976), (4380, 49662), (4526, 48060), (4806, 45260), (5256, 41385), (5340, 40734), (5518, 39420), (5580, 38982), (6408, 33945), (6497, 33480), (6570, 33108), (6696, 32485), (6789, 32040), (7884, 27590), (8010, 27156), (8277, 26280), (8370, 25988), (8760, 24831), (9052, 24030), (9612, 22630), (9855, 22072), (10680, 20367), (11036, 19710), (11160, 19491), (11315, 19224), (12015, 18104), (12994, 16740), (13140, 16554), (13578, 16020), (13795, 15768)]