90391770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 277430400

約数和(自身を除く): 187038630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 103, 105, 126, 147, 199, 206, 210, 245, 294, 309, 315, 398, 441, 490, 515, 597, 618, 630, 721, 735, 882, 927, 995, 1030, 1194, 1393, 1442, 1470, 1545, 1791, 1854, 1990, 2163, 2205, 2786, 2985, 3090, 3582, 3605, 4179, 4326, 4410, 4635, 5047, 5970, 6489, 6965, 7210, 8358, 8955, 9270, 9751, 10094, 10815, 12537, 12978, 13930, 15141, 17910, 19502, 20497, 20895, 21630, 25074, 25235, 29253, 30282, 32445, 40994, 41790, 45423, 48755, 50470, 58506, 61491, 62685, 64890, 75705, 87759, 90846, 97510, 102485, 122982, 125370, 143479, 146265, 151410, 175518, 184473, 204970, 227115, 286958, 292530, 307455, 368946, 430437, 438795, 454230, 614910, 717395, 860874, 877590, 922365, 1004353, 1291311, 1434790, 1844730, 2008706, 2152185, 2582622, 3013059, 4304370, 5021765, 6026118, 6456555, 9039177, 10043530, 12913110, 15065295, 18078354, 30130590, 45195885, 90391770]

約数ペア:

[(1, 90391770), (2, 45195885), (3, 30130590), (5, 18078354), (6, 15065295), (7, 12913110), (9, 10043530), (10, 9039177), (14, 6456555), (15, 6026118), (18, 5021765), (21, 4304370), (30, 3013059), (35, 2582622), (42, 2152185), (45, 2008706), (49, 1844730), (63, 1434790), (70, 1291311), (90, 1004353), (98, 922365), (103, 877590), (105, 860874), (126, 717395), (147, 614910), (199, 454230), (206, 438795), (210, 430437), (245, 368946), (294, 307455), (309, 292530), (315, 286958), (398, 227115), (441, 204970), (490, 184473), (515, 175518), (597, 151410), (618, 146265), (630, 143479), (721, 125370), (735, 122982), (882, 102485), (927, 97510), (995, 90846), (1030, 87759), (1194, 75705), (1393, 64890), (1442, 62685), (1470, 61491), (1545, 58506), (1791, 50470), (1854, 48755), (1990, 45423), (2163, 41790), (2205, 40994), (2786, 32445), (2985, 30282), (3090, 29253), (3582, 25235), (3605, 25074), (4179, 21630), (4326, 20895), (4410, 20497), (4635, 19502), (5047, 17910), (5970, 15141), (6489, 13930), (6965, 12978), (7210, 12537), (8358, 10815), (8955, 10094), (9270, 9751)]