28180440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 95256000

約数和(自身を除く): 67075560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 194, 216, 269, 270, 291, 360, 388, 485, 538, 540, 582, 776, 807, 873, 970, 1076, 1080, 1164, 1345, 1455, 1614, 1746, 1940, 2152, 2328, 2421, 2619, 2690, 2910, 3228, 3492, 3880, 4035, 4365, 4842, 5238, 5380, 5820, 6456, 6984, 7263, 8070, 8730, 9684, 10476, 10760, 11640, 12105, 13095, 14526, 16140, 17460, 19368, 20952, 24210, 26093, 26190, 29052, 32280, 34920, 36315, 48420, 52186, 52380, 58104, 72630, 78279, 96840, 104372, 104760, 130465, 145260, 156558, 208744, 234837, 260930, 290520, 313116, 391395, 469674, 521860, 626232, 704511, 782790, 939348, 1043720, 1174185, 1409022, 1565580, 1878696, 2348370, 2818044, 3131160, 3522555, 4696740, 5636088, 7045110, 9393480, 14090220, 28180440]

約数ペア:

[(1, 28180440), (2, 14090220), (3, 9393480), (4, 7045110), (5, 5636088), (6, 4696740), (8, 3522555), (9, 3131160), (10, 2818044), (12, 2348370), (15, 1878696), (18, 1565580), (20, 1409022), (24, 1174185), (27, 1043720), (30, 939348), (36, 782790), (40, 704511), (45, 626232), (54, 521860), (60, 469674), (72, 391395), (90, 313116), (97, 290520), (108, 260930), (120, 234837), (135, 208744), (180, 156558), (194, 145260), (216, 130465), (269, 104760), (270, 104372), (291, 96840), (360, 78279), (388, 72630), (485, 58104), (538, 52380), (540, 52186), (582, 48420), (776, 36315), (807, 34920), (873, 32280), (970, 29052), (1076, 26190), (1080, 26093), (1164, 24210), (1345, 20952), (1455, 19368), (1614, 17460), (1746, 16140), (1940, 14526), (2152, 13095), (2328, 12105), (2421, 11640), (2619, 10760), (2690, 10476), (2910, 9684), (3228, 8730), (3492, 8070), (3880, 7263), (4035, 6984), (4365, 6456), (4842, 5820), (5238, 5380)]