81793440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:819

約数の個数: 144

約数和(自身を含む): 283046400

約数和(自身を除く): 201252960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 474, 480, 632, 711, 719, 720, 790, 948, 1185, 1264, 1422, 1438, 1440, 1580, 1896, 2157, 2370, 2528, 2844, 2876, 3160, 3555, 3595, 3792, 4314, 4740, 5688, 5752, 6320, 6471, 7110, 7190, 7584, 8628, 9480, 10785, 11376, 11504, 12640, 12942, 14220, 14380, 17256, 18960, 21570, 22752, 23008, 25884, 28440, 28760, 32355, 34512, 37920, 43140, 51768, 56801, 56880, 57520, 64710, 69024, 86280, 103536, 113602, 113760, 115040, 129420, 170403, 172560, 207072, 227204, 258840, 284005, 340806, 345120, 454408, 511209, 517680, 568010, 681612, 852015, 908816, 1022418, 1035360, 1136020, 1363224, 1704030, 1817632, 2044836, 2272040, 2556045, 2726448, 3408060, 4089672, 4544080, 5112090, 5452896, 6816120, 8179344, 9088160, 10224180, 13632240, 16358688, 20448360, 27264480, 40896720, 81793440]

約数ペア:

[(1, 81793440), (2, 40896720), (3, 27264480), (4, 20448360), (5, 16358688), (6, 13632240), (8, 10224180), (9, 9088160), (10, 8179344), (12, 6816120), (15, 5452896), (16, 5112090), (18, 4544080), (20, 4089672), (24, 3408060), (30, 2726448), (32, 2556045), (36, 2272040), (40, 2044836), (45, 1817632), (48, 1704030), (60, 1363224), (72, 1136020), (79, 1035360), (80, 1022418), (90, 908816), (96, 852015), (120, 681612), (144, 568010), (158, 517680), (160, 511209), (180, 454408), (237, 345120), (240, 340806), (288, 284005), (316, 258840), (360, 227204), (395, 207072), (474, 172560), (480, 170403), (632, 129420), (711, 115040), (719, 113760), (720, 113602), (790, 103536), (948, 86280), (1185, 69024), (1264, 64710), (1422, 57520), (1438, 56880), (1440, 56801), (1580, 51768), (1896, 43140), (2157, 37920), (2370, 34512), (2528, 32355), (2844, 28760), (2876, 28440), (3160, 25884), (3555, 23008), (3595, 22752), (3792, 21570), (4314, 18960), (4740, 17256), (5688, 14380), (5752, 14220), (6320, 12942), (6471, 12640), (7110, 11504), (7190, 11376), (7584, 10785), (8628, 9480)]