128626380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79399}}^1$

素因数の和:79420

約数の個数: 60

約数和(自身を含む): 403510800

約数和(自身を除く): 274884420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79399, 158798, 238197, 317596, 396995, 476394, 714591, 793990, 952788, 1190985, 1429182, 1587980, 2143773, 2381970, 2858364, 3572955, 4287546, 4763940, 6431319, 7145910, 8575092, 10718865, 12862638, 14291820, 21437730, 25725276, 32156595, 42875460, 64313190, 128626380]

約数ペア:

[(1, 128626380), (2, 64313190), (3, 42875460), (4, 32156595), (5, 25725276), (6, 21437730), (9, 14291820), (10, 12862638), (12, 10718865), (15, 8575092), (18, 7145910), (20, 6431319), (27, 4763940), (30, 4287546), (36, 3572955), (45, 2858364), (54, 2381970), (60, 2143773), (81, 1587980), (90, 1429182), (108, 1190985), (135, 952788), (162, 793990), (180, 714591), (270, 476394), (324, 396995), (405, 317596), (540, 238197), (810, 158798), (1620, 79399)]