289916820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9419}}^1$

素因数の和:9459

約数の個数: 120

約数和(自身を含む): 957448800

約数和(自身を除く): 667531980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 9419, 10260, 15390, 18838, 28257, 30780, 37676, 47095, 56514, 84771, 94190, 113028, 141285, 169542, 178961, 188380, 254313, 282570, 339084, 357922, 423855, 508626, 536883, 565140, 715844, 762939, 847710, 894805, 1017252, 1073766, 1271565, 1525878, 1610649, 1695420, 1789610, 2147532, 2543130, 2684415, 3051756, 3221298, 3579220, 3814695, 4831947, 5086260, 5368830, 6442596, 7629390, 8053245, 9663894, 10737660, 14495841, 15258780, 16106490, 19327788, 24159735, 28991682, 32212980, 48319470, 57983364, 72479205, 96638940, 144958410, 289916820]

約数ペア:

[(1, 289916820), (2, 144958410), (3, 96638940), (4, 72479205), (5, 57983364), (6, 48319470), (9, 32212980), (10, 28991682), (12, 24159735), (15, 19327788), (18, 16106490), (19, 15258780), (20, 14495841), (27, 10737660), (30, 9663894), (36, 8053245), (38, 7629390), (45, 6442596), (54, 5368830), (57, 5086260), (60, 4831947), (76, 3814695), (81, 3579220), (90, 3221298), (95, 3051756), (108, 2684415), (114, 2543130), (135, 2147532), (162, 1789610), (171, 1695420), (180, 1610649), (190, 1525878), (228, 1271565), (270, 1073766), (285, 1017252), (324, 894805), (342, 847710), (380, 762939), (405, 715844), (513, 565140), (540, 536883), (570, 508626), (684, 423855), (810, 357922), (855, 339084), (1026, 282570), (1140, 254313), (1539, 188380), (1620, 178961), (1710, 169542), (2052, 141285), (2565, 113028), (3078, 94190), (3420, 84771), (5130, 56514), (6156, 47095), (7695, 37676), (9419, 30780), (10260, 28257), (15390, 18838)]