28368540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1099

約数の個数: 72

約数和(自身を含む): 86643648

約数和(自身を除く): 58275108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 911, 1038, 1557, 1730, 1822, 2076, 2595, 2733, 3114, 3460, 3644, 4555, 5190, 5466, 6228, 7785, 8199, 9110, 10380, 10932, 13665, 15570, 16398, 18220, 27330, 31140, 32796, 40995, 54660, 81990, 157603, 163980, 315206, 472809, 630412, 788015, 945618, 1418427, 1576030, 1891236, 2364045, 2836854, 3152060, 4728090, 5673708, 7092135, 9456180, 14184270, 28368540]

約数ペア:

[(1, 28368540), (2, 14184270), (3, 9456180), (4, 7092135), (5, 5673708), (6, 4728090), (9, 3152060), (10, 2836854), (12, 2364045), (15, 1891236), (18, 1576030), (20, 1418427), (30, 945618), (36, 788015), (45, 630412), (60, 472809), (90, 315206), (173, 163980), (180, 157603), (346, 81990), (519, 54660), (692, 40995), (865, 32796), (911, 31140), (1038, 27330), (1557, 18220), (1730, 16398), (1822, 15570), (2076, 13665), (2595, 10932), (2733, 10380), (3114, 9110), (3460, 8199), (3644, 7785), (4555, 6228), (5190, 5466)]