78775920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 284124672

約数和(自身を除く): 205348752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 67, 69, 71, 72, 80, 90, 92, 115, 120, 134, 138, 142, 144, 180, 184, 201, 207, 213, 230, 240, 268, 276, 284, 335, 345, 355, 360, 368, 402, 414, 426, 460, 536, 552, 568, 603, 639, 670, 690, 710, 720, 804, 828, 852, 920, 1005, 1035, 1065, 1072, 1104, 1136, 1206, 1278, 1340, 1380, 1420, 1541, 1608, 1633, 1656, 1704, 1840, 2010, 2070, 2130, 2412, 2556, 2680, 2760, 2840, 3015, 3082, 3195, 3216, 3266, 3312, 3408, 4020, 4140, 4260, 4623, 4757, 4824, 4899, 5112, 5360, 5520, 5680, 6030, 6164, 6390, 6532, 7705, 8040, 8165, 8280, 8520, 9246, 9514, 9648, 9798, 10224, 12060, 12328, 12780, 13064, 13869, 14271, 14697, 15410, 16080, 16330, 16560, 17040, 18492, 19028, 19596, 23115, 23785, 24120, 24495, 24656, 25560, 26128, 27738, 28542, 29394, 30820, 32660, 36984, 38056, 39192, 42813, 46230, 47570, 48240, 48990, 51120, 55476, 57084, 58788, 61640, 65320, 69345, 71355, 73485, 73968, 76112, 78384, 85626, 92460, 95140, 97980, 109411, 110952, 114168, 117576, 123280, 130640, 138690, 142710, 146970, 171252, 184920, 190280, 195960, 214065, 218822, 221904, 228336, 235152, 277380, 285420, 293940, 328233, 342504, 369840, 380560, 391920, 428130, 437644, 547055, 554760, 570840, 587880, 656466, 685008, 856260, 875288, 984699, 1094110, 1109520, 1141680, 1175760, 1312932, 1641165, 1712520, 1750576, 1969398, 2188220, 2625864, 3282330, 3425040, 3938796, 4376440, 4923495, 5251728, 6564660, 7877592, 8752880, 9846990, 13129320, 15755184, 19693980, 26258640, 39387960, 78775920]

約数ペア:

[(1, 78775920), (2, 39387960), (3, 26258640), (4, 19693980), (5, 15755184), (6, 13129320), (8, 9846990), (9, 8752880), (10, 7877592), (12, 6564660), (15, 5251728), (16, 4923495), (18, 4376440), (20, 3938796), (23, 3425040), (24, 3282330), (30, 2625864), (36, 2188220), (40, 1969398), (45, 1750576), (46, 1712520), (48, 1641165), (60, 1312932), (67, 1175760), (69, 1141680), (71, 1109520), (72, 1094110), (80, 984699), (90, 875288), (92, 856260), (115, 685008), (120, 656466), (134, 587880), (138, 570840), (142, 554760), (144, 547055), (180, 437644), (184, 428130), (201, 391920), (207, 380560), (213, 369840), (230, 342504), (240, 328233), (268, 293940), (276, 285420), (284, 277380), (335, 235152), (345, 228336), (355, 221904), (360, 218822), (368, 214065), (402, 195960), (414, 190280), (426, 184920), (460, 171252), (536, 146970), (552, 142710), (568, 138690), (603, 130640), (639, 123280), (670, 117576), (690, 114168), (710, 110952), (720, 109411), (804, 97980), (828, 95140), (852, 92460), (920, 85626), (1005, 78384), (1035, 76112), (1065, 73968), (1072, 73485), (1104, 71355), (1136, 69345), (1206, 65320), (1278, 61640), (1340, 58788), (1380, 57084), (1420, 55476), (1541, 51120), (1608, 48990), (1633, 48240), (1656, 47570), (1704, 46230), (1840, 42813), (2010, 39192), (2070, 38056), (2130, 36984), (2412, 32660), (2556, 30820), (2680, 29394), (2760, 28542), (2840, 27738), (3015, 26128), (3082, 25560), (3195, 24656), (3216, 24495), (3266, 24120), (3312, 23785), (3408, 23115), (4020, 19596), (4140, 19028), (4260, 18492), (4623, 17040), (4757, 16560), (4824, 16330), (4899, 16080), (5112, 15410), (5360, 14697), (5520, 14271), (5680, 13869), (6030, 13064), (6164, 12780), (6390, 12328), (6532, 12060), (7705, 10224), (8040, 9798), (8165, 9648), (8280, 9514), (8520, 9246)]