142821180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2503}}^1$

素因数の和:2835

約数の個数: 72

約数和(自身を含む): 434764512

約数和(自身を除く): 291943332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 634, 951, 1268, 1585, 1902, 2503, 2853, 3170, 3804, 4755, 5006, 5706, 6340, 7509, 9510, 10012, 11412, 12515, 14265, 15018, 19020, 22527, 25030, 28530, 30036, 37545, 45054, 50060, 57060, 75090, 90108, 112635, 150180, 225270, 450540, 793451, 1586902, 2380353, 3173804, 3967255, 4760706, 7141059, 7934510, 9521412, 11901765, 14282118, 15869020, 23803530, 28564236, 35705295, 47607060, 71410590, 142821180]

約数ペア:

[(1, 142821180), (2, 71410590), (3, 47607060), (4, 35705295), (5, 28564236), (6, 23803530), (9, 15869020), (10, 14282118), (12, 11901765), (15, 9521412), (18, 7934510), (20, 7141059), (30, 4760706), (36, 3967255), (45, 3173804), (60, 2380353), (90, 1586902), (180, 793451), (317, 450540), (634, 225270), (951, 150180), (1268, 112635), (1585, 90108), (1902, 75090), (2503, 57060), (2853, 50060), (3170, 45054), (3804, 37545), (4755, 30036), (5006, 28530), (5706, 25030), (6340, 22527), (7509, 19020), (9510, 15018), (10012, 14265), (11412, 12515)]