840856980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1\times {\mathrm{379}}^1$

素因数の和:853

約数の個数: 96

約数和(自身を含む): 2390169600

約数和(自身を除く): 1549312620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 359, 379, 412, 515, 618, 718, 758, 1030, 1077, 1137, 1236, 1436, 1516, 1545, 1795, 1895, 2060, 2154, 2274, 3090, 3590, 3790, 4308, 4548, 5385, 5685, 6180, 7180, 7580, 10770, 11370, 21540, 22740, 36977, 39037, 73954, 78074, 110931, 117111, 136061, 147908, 156148, 184885, 195185, 221862, 234222, 272122, 369770, 390370, 408183, 443724, 468444, 544244, 554655, 585555, 680305, 739540, 780740, 816366, 1109310, 1171110, 1360610, 1632732, 2040915, 2218620, 2342220, 2721220, 4081830, 8163660, 14014283, 28028566, 42042849, 56057132, 70071415, 84085698, 140142830, 168171396, 210214245, 280285660, 420428490, 840856980]

約数ペア:

[(1, 840856980), (2, 420428490), (3, 280285660), (4, 210214245), (5, 168171396), (6, 140142830), (10, 84085698), (12, 70071415), (15, 56057132), (20, 42042849), (30, 28028566), (60, 14014283), (103, 8163660), (206, 4081830), (309, 2721220), (359, 2342220), (379, 2218620), (412, 2040915), (515, 1632732), (618, 1360610), (718, 1171110), (758, 1109310), (1030, 816366), (1077, 780740), (1137, 739540), (1236, 680305), (1436, 585555), (1516, 554655), (1545, 544244), (1795, 468444), (1895, 443724), (2060, 408183), (2154, 390370), (2274, 369770), (3090, 272122), (3590, 234222), (3790, 221862), (4308, 195185), (4548, 184885), (5385, 156148), (5685, 147908), (6180, 136061), (7180, 117111), (7580, 110931), (10770, 78074), (11370, 73954), (21540, 39037), (22740, 36977)]