180888075

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 108

約数和(自身を含む): 364818168

約数和(自身を除く): 183930093

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 131, 153, 171, 225, 255, 285, 323, 361, 393, 425, 475, 655, 765, 855, 969, 1083, 1179, 1275, 1425, 1615, 1805, 1965, 2227, 2489, 2907, 3249, 3275, 3825, 4275, 4845, 5415, 5895, 6137, 6681, 7467, 8075, 9025, 9825, 11135, 12445, 14535, 16245, 18411, 20043, 22401, 24225, 27075, 29475, 30685, 33405, 37335, 42313, 47291, 55233, 55675, 62225, 72675, 81225, 92055, 100215, 112005, 126939, 141873, 153425, 167025, 186675, 211565, 236455, 276165, 380817, 425619, 460275, 501075, 560025, 634695, 709365, 803947, 1057825, 1182275, 1380825, 1904085, 2128095, 2411841, 3173475, 3546825, 4019735, 7235523, 9520425, 10640475, 12059205, 20098675, 36177615, 60296025, 180888075]

約数ペア:

[(1, 180888075), (3, 60296025), (5, 36177615), (9, 20098675), (15, 12059205), (17, 10640475), (19, 9520425), (25, 7235523), (45, 4019735), (51, 3546825), (57, 3173475), (75, 2411841), (85, 2128095), (95, 1904085), (131, 1380825), (153, 1182275), (171, 1057825), (225, 803947), (255, 709365), (285, 634695), (323, 560025), (361, 501075), (393, 460275), (425, 425619), (475, 380817), (655, 276165), (765, 236455), (855, 211565), (969, 186675), (1083, 167025), (1179, 153425), (1275, 141873), (1425, 126939), (1615, 112005), (1805, 100215), (1965, 92055), (2227, 81225), (2489, 72675), (2907, 62225), (3249, 55675), (3275, 55233), (3825, 47291), (4275, 42313), (4845, 37335), (5415, 33405), (5895, 30685), (6137, 29475), (6681, 27075), (7467, 24225), (8075, 22401), (9025, 20043), (9825, 18411), (11135, 16245), (12445, 14535)]