280798560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 288

約数和(自身を含む): 1110957120

約数和(自身を除く): 830158560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 89, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 178, 180, 210, 224, 240, 252, 267, 280, 288, 313, 315, 336, 356, 360, 420, 445, 480, 504, 534, 560, 623, 626, 630, 672, 712, 720, 801, 840, 890, 939, 1008, 1068, 1120, 1246, 1252, 1260, 1335, 1424, 1440, 1565, 1602, 1680, 1780, 1869, 1878, 2016, 2136, 2191, 2492, 2504, 2520, 2670, 2817, 2848, 3115, 3130, 3204, 3360, 3560, 3738, 3756, 4005, 4272, 4382, 4695, 4984, 5008, 5040, 5340, 5607, 5634, 6230, 6260, 6408, 6573, 7120, 7476, 7512, 8010, 8544, 8764, 9345, 9390, 9968, 10016, 10080, 10680, 10955, 11214, 11268, 12460, 12520, 12816, 13146, 14085, 14240, 14952, 15024, 16020, 17528, 18690, 18780, 19719, 19936, 21360, 21910, 22428, 22536, 24920, 25040, 25632, 26292, 27857, 28035, 28170, 29904, 30048, 32040, 32865, 35056, 37380, 37560, 39438, 42720, 43820, 44856, 45072, 49840, 50080, 52584, 55714, 56070, 56340, 59808, 64080, 65730, 70112, 74760, 75120, 78876, 83571, 87640, 89712, 90144, 98595, 99680, 105168, 111428, 112140, 112680, 128160, 131460, 139285, 149520, 150240, 157752, 167142, 175280, 179424, 194999, 197190, 210336, 222856, 224280, 225360, 250713, 262920, 278570, 299040, 315504, 334284, 350560, 389998, 394380, 417855, 445712, 448560, 450720, 501426, 525840, 557140, 584997, 631008, 668568, 779996, 788760, 835710, 891424, 897120, 974995, 1002852, 1051680, 1114280, 1169994, 1253565, 1337136, 1559992, 1577520, 1671420, 1754991, 1949990, 2005704, 2228560, 2339988, 2507130, 2674272, 2924985, 3119984, 3155040, 3342840, 3509982, 3899980, 4011408, 4457120, 4679976, 5014260, 5849970, 6239968, 6685680, 7019964, 7799960, 8022816, 8774955, 9359952, 10028520, 11699940, 13371360, 14039928, 15599920, 17549910, 18719904, 20057040, 23399880, 28079856, 31199840, 35099820, 40114080, 46799760, 56159712, 70199640, 93599520, 140399280, 280798560]

約数ペア:

[(1, 280798560), (2, 140399280), (3, 93599520), (4, 70199640), (5, 56159712), (6, 46799760), (7, 40114080), (8, 35099820), (9, 31199840), (10, 28079856), (12, 23399880), (14, 20057040), (15, 18719904), (16, 17549910), (18, 15599920), (20, 14039928), (21, 13371360), (24, 11699940), (28, 10028520), (30, 9359952), (32, 8774955), (35, 8022816), (36, 7799960), (40, 7019964), (42, 6685680), (45, 6239968), (48, 5849970), (56, 5014260), (60, 4679976), (63, 4457120), (70, 4011408), (72, 3899980), (80, 3509982), (84, 3342840), (89, 3155040), (90, 3119984), (96, 2924985), (105, 2674272), (112, 2507130), (120, 2339988), (126, 2228560), (140, 2005704), (144, 1949990), (160, 1754991), (168, 1671420), (178, 1577520), (180, 1559992), (210, 1337136), (224, 1253565), (240, 1169994), (252, 1114280), (267, 1051680), (280, 1002852), (288, 974995), (313, 897120), (315, 891424), (336, 835710), (356, 788760), (360, 779996), (420, 668568), (445, 631008), (480, 584997), (504, 557140), (534, 525840), (560, 501426), (623, 450720), (626, 448560), (630, 445712), (672, 417855), (712, 394380), (720, 389998), (801, 350560), (840, 334284), (890, 315504), (939, 299040), (1008, 278570), (1068, 262920), (1120, 250713), (1246, 225360), (1252, 224280), (1260, 222856), (1335, 210336), (1424, 197190), (1440, 194999), (1565, 179424), (1602, 175280), (1680, 167142), (1780, 157752), (1869, 150240), (1878, 149520), (2016, 139285), (2136, 131460), (2191, 128160), (2492, 112680), (2504, 112140), (2520, 111428), (2670, 105168), (2817, 99680), (2848, 98595), (3115, 90144), (3130, 89712), (3204, 87640), (3360, 83571), (3560, 78876), (3738, 75120), (3756, 74760), (4005, 70112), (4272, 65730), (4382, 64080), (4695, 59808), (4984, 56340), (5008, 56070), (5040, 55714), (5340, 52584), (5607, 50080), (5634, 49840), (6230, 45072), (6260, 44856), (6408, 43820), (6573, 42720), (7120, 39438), (7476, 37560), (7512, 37380), (8010, 35056), (8544, 32865), (8764, 32040), (9345, 30048), (9390, 29904), (9968, 28170), (10016, 28035), (10080, 27857), (10680, 26292), (10955, 25632), (11214, 25040), (11268, 24920), (12460, 22536), (12520, 22428), (12816, 21910), (13146, 21360), (14085, 19936), (14240, 19719), (14952, 18780), (15024, 18690), (16020, 17528)]