28373580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 86525712

約数和(自身を除く): 58152132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 557, 566, 849, 1114, 1132, 1415, 1671, 1698, 2228, 2547, 2785, 2830, 3342, 3396, 4245, 5013, 5094, 5570, 5660, 6684, 8355, 8490, 10026, 10188, 11140, 12735, 16710, 16980, 20052, 25065, 25470, 33420, 50130, 50940, 100260, 157631, 315262, 472893, 630524, 788155, 945786, 1418679, 1576310, 1891572, 2364465, 2837358, 3152620, 4728930, 5674716, 7093395, 9457860, 14186790, 28373580]

約数ペア:

[(1, 28373580), (2, 14186790), (3, 9457860), (4, 7093395), (5, 5674716), (6, 4728930), (9, 3152620), (10, 2837358), (12, 2364465), (15, 1891572), (18, 1576310), (20, 1418679), (30, 945786), (36, 788155), (45, 630524), (60, 472893), (90, 315262), (180, 157631), (283, 100260), (557, 50940), (566, 50130), (849, 33420), (1114, 25470), (1132, 25065), (1415, 20052), (1671, 16980), (1698, 16710), (2228, 12735), (2547, 11140), (2785, 10188), (2830, 10026), (3342, 8490), (3396, 8355), (4245, 6684), (5013, 5660), (5094, 5570)]