8280180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 25362792

約数和(自身を除く): 17082612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 293, 314, 471, 586, 628, 785, 879, 942, 1172, 1413, 1465, 1570, 1758, 1884, 2355, 2637, 2826, 2930, 3140, 3516, 4395, 4710, 5274, 5652, 5860, 7065, 8790, 9420, 10548, 13185, 14130, 17580, 26370, 28260, 46001, 52740, 92002, 138003, 184004, 230005, 276006, 414009, 460010, 552012, 690015, 828018, 920020, 1380030, 1656036, 2070045, 2760060, 4140090, 8280180]

約数ペア:

[(1, 8280180), (2, 4140090), (3, 2760060), (4, 2070045), (5, 1656036), (6, 1380030), (9, 920020), (10, 828018), (12, 690015), (15, 552012), (18, 460010), (20, 414009), (30, 276006), (36, 230005), (45, 184004), (60, 138003), (90, 92002), (157, 52740), (180, 46001), (293, 28260), (314, 26370), (471, 17580), (586, 14130), (628, 13185), (785, 10548), (879, 9420), (942, 8790), (1172, 7065), (1413, 5860), (1465, 5652), (1570, 5274), (1758, 4710), (1884, 4395), (2355, 3516), (2637, 3140), (2826, 2930)]