71865180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2543}}^1$

素因数の和:2715

約数の個数: 72

約数和(自身を含む): 219465792

約数和(自身を除く): 147600612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2543, 2826, 3140, 4710, 5086, 5652, 7065, 7629, 9420, 10172, 12715, 14130, 15258, 22887, 25430, 28260, 30516, 38145, 45774, 50860, 76290, 91548, 114435, 152580, 228870, 399251, 457740, 798502, 1197753, 1597004, 1996255, 2395506, 3593259, 3992510, 4791012, 5988765, 7186518, 7985020, 11977530, 14373036, 17966295, 23955060, 35932590, 71865180]

約数ペア:

[(1, 71865180), (2, 35932590), (3, 23955060), (4, 17966295), (5, 14373036), (6, 11977530), (9, 7985020), (10, 7186518), (12, 5988765), (15, 4791012), (18, 3992510), (20, 3593259), (30, 2395506), (36, 1996255), (45, 1597004), (60, 1197753), (90, 798502), (157, 457740), (180, 399251), (314, 228870), (471, 152580), (628, 114435), (785, 91548), (942, 76290), (1413, 50860), (1570, 45774), (1884, 38145), (2355, 30516), (2543, 28260), (2826, 25430), (3140, 22887), (4710, 15258), (5086, 14130), (5652, 12715), (7065, 10172), (7629, 9420)]