28357290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2725

約数の個数: 80

約数和(自身を含む): 82145448

約数和(自身を除く): 53788158

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 2693, 3510, 5265, 5386, 8079, 10530, 13465, 16158, 24237, 26930, 35009, 40395, 48474, 70018, 72711, 80790, 105027, 121185, 145422, 175045, 210054, 218133, 242370, 315081, 350090, 363555, 436266, 525135, 630162, 727110, 945243, 1050270, 1090665, 1575405, 1890486, 2181330, 2835729, 3150810, 4726215, 5671458, 9452430, 14178645, 28357290]

約数ペア:

[(1, 28357290), (2, 14178645), (3, 9452430), (5, 5671458), (6, 4726215), (9, 3150810), (10, 2835729), (13, 2181330), (15, 1890486), (18, 1575405), (26, 1090665), (27, 1050270), (30, 945243), (39, 727110), (45, 630162), (54, 525135), (65, 436266), (78, 363555), (81, 350090), (90, 315081), (117, 242370), (130, 218133), (135, 210054), (162, 175045), (195, 145422), (234, 121185), (270, 105027), (351, 80790), (390, 72711), (405, 70018), (585, 48474), (702, 40395), (810, 35009), (1053, 26930), (1170, 24237), (1755, 16158), (2106, 13465), (2693, 10530), (3510, 8079), (5265, 5386)]