138741840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192697}}^1$

素因数の和:192716

約数の個数: 60

約数和(自身を含む): 465943764

約数和(自身を除く): 327201924

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192697, 385394, 578091, 770788, 963485, 1156182, 1541576, 1734273, 1926970, 2312364, 2890455, 3083152, 3468546, 3853940, 4624728, 5780910, 6937092, 7707880, 8671365, 9249456, 11561820, 13874184, 15415760, 17342730, 23123640, 27748368, 34685460, 46247280, 69370920, 138741840]

約数ペア:

[(1, 138741840), (2, 69370920), (3, 46247280), (4, 34685460), (5, 27748368), (6, 23123640), (8, 17342730), (9, 15415760), (10, 13874184), (12, 11561820), (15, 9249456), (16, 8671365), (18, 7707880), (20, 6937092), (24, 5780910), (30, 4624728), (36, 3853940), (40, 3468546), (45, 3083152), (48, 2890455), (60, 2312364), (72, 1926970), (80, 1734273), (90, 1541576), (120, 1156182), (144, 963485), (180, 770788), (240, 578091), (360, 385394), (720, 192697)]