7997580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 24500112

約数和(自身を除く): 16502532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 283, 314, 471, 566, 628, 785, 849, 942, 1132, 1413, 1415, 1570, 1698, 1884, 2355, 2547, 2826, 2830, 3140, 3396, 4245, 4710, 5094, 5652, 5660, 7065, 8490, 9420, 10188, 12735, 14130, 16980, 25470, 28260, 44431, 50940, 88862, 133293, 177724, 222155, 266586, 399879, 444310, 533172, 666465, 799758, 888620, 1332930, 1599516, 1999395, 2665860, 3998790, 7997580]

約数ペア:

[(1, 7997580), (2, 3998790), (3, 2665860), (4, 1999395), (5, 1599516), (6, 1332930), (9, 888620), (10, 799758), (12, 666465), (15, 533172), (18, 444310), (20, 399879), (30, 266586), (36, 222155), (45, 177724), (60, 133293), (90, 88862), (157, 50940), (180, 44431), (283, 28260), (314, 25470), (471, 16980), (566, 14130), (628, 12735), (785, 10188), (849, 9420), (942, 8490), (1132, 7065), (1413, 5660), (1415, 5652), (1570, 5094), (1698, 4710), (1884, 4245), (2355, 3396), (2547, 3140), (2826, 2830)]