164843120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5113}}^1$

素因数の和:5170

約数の個数: 80

約数和(自身を含む): 426139392

約数和(自身を除く): 261296272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 5113, 6448, 8060, 10226, 16120, 20452, 25565, 32240, 40904, 51130, 66469, 81808, 102260, 132938, 158503, 204520, 265876, 317006, 332345, 409040, 531752, 634012, 664690, 792515, 1063504, 1268024, 1329380, 1585030, 2060539, 2536048, 2658760, 3170060, 4121078, 5317520, 6340120, 8242156, 10302695, 12680240, 16484312, 20605390, 32968624, 41210780, 82421560, 164843120]

約数ペア:

[(1, 164843120), (2, 82421560), (4, 41210780), (5, 32968624), (8, 20605390), (10, 16484312), (13, 12680240), (16, 10302695), (20, 8242156), (26, 6340120), (31, 5317520), (40, 4121078), (52, 3170060), (62, 2658760), (65, 2536048), (80, 2060539), (104, 1585030), (124, 1329380), (130, 1268024), (155, 1063504), (208, 792515), (248, 664690), (260, 634012), (310, 531752), (403, 409040), (496, 332345), (520, 317006), (620, 265876), (806, 204520), (1040, 158503), (1240, 132938), (1612, 102260), (2015, 81808), (2480, 66469), (3224, 51130), (4030, 40904), (5113, 32240), (6448, 25565), (8060, 20452), (10226, 16120)]